{"title":"Lab-Grown Diamond Tennis Necklaces","description":"\u003cp\u003eA tennis necklace is an unbroken line of lab-grown diamonds that frames the neckline and catches the light with every movement. These are our statement necklaces: rivière and line designs set with round, pear, emerald cut and marquise cut lab-grown diamonds in solid 14ct or 18ct gold. Each one is made to order, in around four weeks, and is the kind of piece people keep for life.\u003c\/p\u003e","products":[{"product_id":"round-and-pear-lab-grown-diamond-riviere-necklace","title":"Almach — Round and Pear Lab-Grown Diamond Riviere Necklace","description":"\u003cp\u003eAlmach moves before you do. Pear shapes lean into round brilliants all the way around the neck, forming a repeating leaf-like rhythm that refuses the formality of a straight row. It is a necklace for an entrance, but its character comes from motion rather than sheer scale.\u003c\/p\u003e\n\u003cp\u003eThe full rivière holds 66 round brilliant lab-grown diamonds at 2.30mm and 66 pear-cut lab-grown diamonds at 5.00 x 3.00mm. Each pear is angled along the line, alternating with a round in a collet setting. A concealed clasp keeps all 132 stones flowing as one uninterrupted design.\u003c\/p\u003e\n\n\u003ch3\u003eAlmach in full motion\u003c\/h3\u003e\n\u003cp\u003eAlmach carries 14.29ct of lab-grown diamonds around the whole neckline, yet its strongest reason is the alternating rhythm of pear and round cuts. With 132 stones, the leaf-like pattern continues beyond the front view and into a complete composition. Choose 14kt for the harder, more scratch-resistant gold, or 18kt for more pure gold and a heavier feel.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Alternating round and pear-cut lab-grown diamond line\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLab-grown diamonds:\u003c\/strong\u003e 66 round brilliant (2.30mm) and 66 pear-cut (5.00 × 3.00mm) lab-grown diamonds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal lab-grown diamonds:\u003c\/strong\u003e 132\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal carat weight:\u003c\/strong\u003e approximately 14.29ct\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStation size:\u003c\/strong\u003e approximately 8.3mm along the chain\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eMetal options:\u003c\/strong\u003e 14kt or 18kt White, Yellow or Rose Gold\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eChain\u003c\/h3\u003e\n\u003cp\u003eSupplied as a complete necklace with a concealed clasp, at the standard length shown in the render. Alternative sizing can be arranged as part of your made-to-order enquiry.\u003c\/p\u003e\n\n\u003ch3\u003eMade to Order\u003c\/h3\u003e\n\u003cp\u003eEvery piece is crafted to your chosen metal and size. Our usual timeline is around four weeks from order to dispatch, which includes UK hallmarking where required. More complex pieces may take slightly longer. We confirm the expected timeframe in writing before production begins.\u003c\/p\u003e\n\n\u003ch3\u003eWearing Almach\u003c\/h3\u003e\n\u003cp\u003eKeep the neckline bare and let Almach follow the skin without another necklace competing for space. It is built for evening and occasion dressing, especially with an open or strapless neckline. Alternative sizing can be arranged through a made-to-order enquiry for the intended fit.\u003c\/p\u003e\n\n\n\u003ch3\u003eQuestions about Almach\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow many lab-grown diamonds are in Almach?\u003c\/strong\u003e\u003cbr\u003eAlmach contains 132 lab-grown diamonds totalling approximately 14.29ct. There are 66 round brilliant stones measuring 2.30mm and 66 pear-cut stones measuring 5.00 x 3.00mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the clasp work within the design?\u003c\/strong\u003e\u003cbr\u003eA concealed clasp keeps the lab-grown diamond line visually continuous around the neck. It sits within the complete necklace, allowing the alternating round and pear pattern to remain the defining feature.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan Almach be made to a different size?\u003c\/strong\u003e\u003cbr\u003eYes. Almach is supplied at the standard length shown in the render, and alternative sizing can be arranged as part of your made-to-order enquiry so the full rivière sits as intended.\u003c\/p\u003e\n\n\u003ch3\u003eJewellery Care\u003c\/h3\u003e\n\u003cp\u003eStore separately in the pouch or box provided. Avoid contact with harsh chemicals, perfume, and chlorine. Clean gently with a soft cloth or mild soap solution. Remove before swimming, exercising, or sleeping. See our \u003ca href=\"\/pages\/care-guide\"\u003eMaterials \u0026amp; Care\u003c\/a\u003e guide for full instructions.\u003c\/p\u003e\n\n\u003ch3\u003eNeed help choosing?\u003c\/h3\u003e\n\u003cp\u003eUnsure on size, metal, or lab-grown diamond specification? \u003ca href=\"mailto:info@thelabjewellers.com?subject=Help%20choosing%20%E2%80%94%20Almach%20%E2%80%94%20Round%20and%20Pear%20Lab-Grown%20Diamond%20Riviere%20Necklace\"\u003eEmail us\u003c\/a\u003e and we'll guide you to the right option before you order — we reply personally, within two working days.\u003c\/p\u003e","brand":"The Lab Jewellers","offers":[{"title":"14kt White Gold","offer_id":58221440369024,"sku":"GNK-0014-C5-14WG","price":8150.0,"currency_code":"GBP","in_stock":true},{"title":"18kt White Gold","offer_id":58221440401792,"sku":"GNK-0014-C5-18WG","price":10450.0,"currency_code":"GBP","in_stock":true},{"title":"14kt Yellow Gold","offer_id":58221440434560,"sku":"GNK-0014-C5-14YG","price":8150.0,"currency_code":"GBP","in_stock":true},{"title":"18kt Yellow Gold","offer_id":58221440467328,"sku":"GNK-0014-C5-18YG","price":10450.0,"currency_code":"GBP","in_stock":true},{"title":"14kt Rose Gold","offer_id":58221440500096,"sku":"GNK-0014-C5-14RG","price":8150.0,"currency_code":"GBP","in_stock":true},{"title":"18kt Rose Gold","offer_id":58221440532864,"sku":"GNK-0014-C5-18RG","price":10450.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6242\/0096\/files\/download_2071a036-0c2b-40c7-9122-b671ccf1c4b4.png?v=1780788599"},{"product_id":"round-and-emerald-cut-lab-grown-diamond-riviere-necklace","title":"Antares — Round and Emerald-Cut Lab-Grown Diamond Riviere Necklace","description":"\u003cp\u003eAntares turns contrast into order. Long emerald steps meet bright round forms in a measured sequence around the neck, giving an occasion necklace the composure of architecture. Nothing is scattered. Every change of shape feels deliberate, balanced and complete.\u003c\/p\u003e\n\u003cp\u003eIts full rivière alternates 46 round brilliant lab-grown diamonds measuring 3.30mm with 45 emerald-cut lab-grown diamonds measuring 5.00 x 3.00mm. All 91 stones are held in collet settings, building a steady pattern from clasp to centre. A secure lobster clasp closes the necklace, while the repeating cuts keep the eye travelling along the entire line.\u003c\/p\u003e\n\n\u003ch3\u003eAntares, built on contrast\u003c\/h3\u003e\n\u003cp\u003eAntares combines the broad flashes of emerald cuts with the livelier response of round brilliants, so its 91 lab-grown diamonds never read as a single repeated note. The alternating pattern gives the full necklace graphic clarity from every viewpoint. Choose 14kt for the harder, more scratch-resistant gold, or 18kt for more pure gold and a heavier feel.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Alternating round and emerald-cut lab-grown diamond line\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLab-grown diamonds:\u003c\/strong\u003e 46 round brilliant (3.30mm) and 45 emerald-cut (5.00 × 3.00mm) lab-grown diamonds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal lab-grown diamonds:\u003c\/strong\u003e 91\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal carat weight:\u003c\/strong\u003e approximately 18.45ct\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStation size:\u003c\/strong\u003e approximately 8.6mm along the chain\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eMetal options:\u003c\/strong\u003e 14kt or 18kt White, Yellow or Rose Gold\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eChain\u003c\/h3\u003e\n\u003cp\u003eSupplied as a complete necklace with a lobster clasp, at the standard length shown in the render. Alternative sizing can be arranged as part of your made-to-order enquiry.\u003c\/p\u003e\n\n\u003ch3\u003eMade to Order\u003c\/h3\u003e\n\u003cp\u003eEvery piece is crafted to your chosen metal and size. Our usual timeline is around four weeks from order to dispatch, which includes UK hallmarking where required. More complex pieces may take slightly longer. We confirm the expected timeframe in writing before production begins.\u003c\/p\u003e\n\n\u003ch3\u003eWearing Antares\u003c\/h3\u003e\n\u003cp\u003eWear Antares as the only necklace against a clean, open neckline. Its alternating geometry pairs particularly well with simple evening shapes, where the full line remains visible. The standard length is shown in the render, and alternative sizing can be arranged through a made-to-order enquiry.\u003c\/p\u003e\n\n\n\u003ch3\u003eQuestions about Antares\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich stones create the Antares pattern?\u003c\/strong\u003e\u003cbr\u003eAntares alternates 46 round brilliant lab-grown diamonds at 3.30mm with 45 emerald-cut lab-grown diamonds at 5.00 x 3.00mm. Together, the 91 stones create its balanced, architectural rhythm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat fastening does Antares use?\u003c\/strong\u003e\u003cbr\u003eAntares is finished with a secure lobster clasp. The complete necklace maintains its alternating round and emerald-cut lab-grown diamond pattern from the clasp area through to the centre.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the necklace sizing be changed?\u003c\/strong\u003e\u003cbr\u003eYes. Antares comes at the standard length shown in the render, but alternative sizing can be arranged as part of your made-to-order enquiry to suit how you plan to wear it.\u003c\/p\u003e\n\n\u003ch3\u003eJewellery Care\u003c\/h3\u003e\n\u003cp\u003eStore separately in the pouch or box provided. Avoid contact with harsh chemicals, perfume, and chlorine. Clean gently with a soft cloth or mild soap solution. Remove before swimming, exercising, or sleeping. See our \u003ca href=\"\/pages\/care-guide\"\u003eMaterials \u0026amp; Care\u003c\/a\u003e guide for full instructions.\u003c\/p\u003e\n\n\u003ch3\u003eNeed help choosing?\u003c\/h3\u003e\n\u003cp\u003eUnsure on size, metal, or lab-grown diamond specification? \u003ca href=\"mailto:info@thelabjewellers.com?subject=Help%20choosing%20%E2%80%94%20Antares%20%E2%80%94%20Round%20and%20Emerald-Cut%20Lab-Grown%20Diamond%20Riviere%20Necklace\"\u003eEmail us\u003c\/a\u003e and we'll guide you to the right option before you order — we reply personally, within two working days.\u003c\/p\u003e","brand":"The Lab Jewellers","offers":[{"title":"14kt White Gold","offer_id":58221440663936,"sku":"GNK-0015-C5-14WG","price":9695.0,"currency_code":"GBP","in_stock":true},{"title":"18kt White Gold","offer_id":58221440696704,"sku":"GNK-0015-C5-18WG","price":12450.0,"currency_code":"GBP","in_stock":true},{"title":"14kt Yellow Gold","offer_id":58221440729472,"sku":"GNK-0015-C5-14YG","price":9695.0,"currency_code":"GBP","in_stock":true},{"title":"18kt Yellow Gold","offer_id":58221440762240,"sku":"GNK-0015-C5-18YG","price":12450.0,"currency_code":"GBP","in_stock":true},{"title":"14kt Rose Gold","offer_id":58221440795008,"sku":"GNK-0015-C5-14RG","price":9695.0,"currency_code":"GBP","in_stock":true},{"title":"18kt Rose Gold","offer_id":58221440827776,"sku":"GNK-0015-C5-18RG","price":12450.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6242\/0096\/files\/download_d2838928-6710-4cdd-8918-4d636fa70d79.png?v=1780788703"},{"product_id":"marquise-cut-lab-grown-diamond-line-necklace","title":"Regulus — Marquise Cut Lab-Grown Diamond Line Necklace","description":"\u003cp\u003eA single direction can create extraordinary momentum. Regulus tilts every marquise the same way, joining pointed shape to pointed shape until the necklace becomes one feather-like sweep around the neck. It is bold because nothing interrupts the idea.\u003c\/p\u003e\n\u003cp\u003eAll 124 marquise-cut lab-grown diamonds measure 5.50 x 3.00mm and continue around the full necklace in collet settings. Together they form an 18.60ct line, with each angled stone feeding into the next rather than sitting as an isolated station. The box clasp sits flush with the design, preserving the sense of an unbroken ribbon from every viewpoint.\u003c\/p\u003e\n\n\u003ch3\u003eRegulus never breaks its line\u003c\/h3\u003e\n\u003cp\u003eRegulus commits completely to the marquise, using 124 matching 5.50 x 3.00mm lab-grown diamonds to create one continuous 18.60ct movement. The shared angle gives the necklace its feather-like character and makes the full circumference matter. Choose 14kt for the harder, more scratch-resistant gold, or 18kt for more pure gold and a heavier feel.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal lab-grown diamond weight:\u003c\/strong\u003e approximately 18.60ct\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLab-grown diamonds:\u003c\/strong\u003e 124 marquise-cut lab-grown diamonds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone size:\u003c\/strong\u003e 5.50 x 3.00mm each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStation size:\u003c\/strong\u003e approximately 3.2mm along the chain\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eClosure:\u003c\/strong\u003e box clasp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal options:\u003c\/strong\u003e 14kt or 18kt White, Yellow or Rose Gold\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eChain\u003c\/h3\u003e\n\u003cp\u003eSupplied as a complete necklace at the standard length shown in the render. Alternative sizing can be arranged as part of your made-to-order enquiry.\u003c\/p\u003e\n\n\u003ch3\u003eMade to Order\u003c\/h3\u003e\n\u003cp\u003eEvery piece is crafted to your chosen metal and size. Our usual timeline is around four weeks from order to dispatch, which includes UK hallmarking where required. More complex pieces may take slightly longer. We confirm the expected timeframe in writing before production begins.\u003c\/p\u003e\n\n\u003ch3\u003eWearing Regulus\u003c\/h3\u003e\n\u003cp\u003ePlace Regulus close to the throat and keep the neckline clear, allowing the repeated marquise points to define the whole look. It works best as the only necklace for evening. Alternative sizing can be arranged through a made-to-order enquiry if you want to adjust how it sits.\u003c\/p\u003e\n\n\n\u003ch3\u003eQuestions about Regulus\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow many stones form the Regulus line?\u003c\/strong\u003e\u003cbr\u003eRegulus is set with 124 marquise-cut lab-grown diamonds, each measuring 5.50 x 3.00mm. Their combined approximate weight is 18.60ct, and every stone is angled in the same direction.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of clasp does Regulus have?\u003c\/strong\u003e\u003cbr\u003eRegulus uses a box clasp that sits flush with the full line. This keeps the repeated marquise-cut lab-grown diamond design visually continuous around the necklace when it is worn.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan Regulus be made in another size?\u003c\/strong\u003e\u003cbr\u003eYes. Regulus is supplied at the standard length shown in the render, and alternative sizing can be arranged as part of your made-to-order enquiry to achieve your preferred position on the neckline.\u003c\/p\u003e\n\n\u003ch3\u003eJewellery Care\u003c\/h3\u003e\n\u003cp\u003eStore separately in the pouch or box provided. Avoid contact with harsh chemicals, perfume, and chlorine. Clean gently with a soft cloth or mild soap solution. Remove before swimming, exercising, or sleeping. See our \u003ca href=\"\/pages\/care-guide\"\u003eMaterials \u0026amp; Care\u003c\/a\u003e guide for full instructions.\u003c\/p\u003e\n\n\u003ch3\u003eNeed help choosing?\u003c\/h3\u003e\n\u003cp\u003eUnsure on size, metal, or lab-grown diamond specification? \u003ca href=\"mailto:info@thelabjewellers.com?subject=Help%20choosing%20%E2%80%94%20Regulus%20%E2%80%94%20Marquise%20Cut%20Lab-Grown%20Diamond%20Line%20Necklace\"\u003eEmail us\u003c\/a\u003e and we'll guide you to the right option before you order — we reply personally, within two working days.\u003c\/p\u003e","brand":"The Lab Jewellers","offers":[{"title":"14kt White Gold","offer_id":58221446594944,"sku":"GNK-0019-C5-14WG","price":11450.0,"currency_code":"GBP","in_stock":true},{"title":"18kt White Gold","offer_id":58221446627712,"sku":"GNK-0019-C5-18WG","price":14750.0,"currency_code":"GBP","in_stock":true},{"title":"14kt Yellow Gold","offer_id":58221446660480,"sku":"GNK-0019-C5-14YG","price":11450.0,"currency_code":"GBP","in_stock":true},{"title":"18kt Yellow Gold","offer_id":58221446693248,"sku":"GNK-0019-C5-18YG","price":14750.0,"currency_code":"GBP","in_stock":true},{"title":"14kt Rose Gold","offer_id":58221446726016,"sku":"GNK-0019-C5-14RG","price":11450.0,"currency_code":"GBP","in_stock":true},{"title":"18kt Rose Gold","offer_id":58221446758784,"sku":"GNK-0019-C5-18RG","price":14750.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6242\/0096\/files\/download_cb1e4eff-5918-414a-bbfb-23346198547c.png?v=1780930090"},{"product_id":"lab-grown-diamond-tennis-necklace-14ct-round-brilliant-line","title":"Lyra — Round Brilliant Lab-Grown Diamond Tennis Necklace (14ct Total Lab-Grown Diamond Weight)","description":"\u003cp\u003eThere is a particular confidence in wearing light all the way around the neck. Lyra creates that feeling with a slender, continuous line that moves with you, equally at home above soft knitwear or against the skin for an evening out.\u003c\/p\u003e\n\u003cp\u003eIts 96 round brilliant lab-grown diamonds are individually linked, allowing approximately 14ct to flow as one fluid necklace. Every stone measures 3.30mm, keeping the line uniform and refined rather than oversized. Each station measures approximately 7.4mm along the chain, and a secure clasp fastens discreetly at the back.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose Lyra\u003c\/h3\u003e\n\u003cp\u003eLyra surrounds the neckline with an uninterrupted line of 96 round brilliant lab-grown diamonds, giving you presence from every angle. Approximately 14ct is divided across uniform 3.30mm stones, so the effect remains fluid, balanced and easy to wear. Every stone is D to F colour and VS1 clarity or better. Choose 14kt for the harder, more scratch-resistant gold, or 18kt for more pure gold and a heavier feel.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLab-grown diamonds:\u003c\/strong\u003e 96 round brilliant stones\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone size:\u003c\/strong\u003e 3.30mm each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal carat weight:\u003c\/strong\u003e approximately 14ct\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStation size:\u003c\/strong\u003e approximately 7.4mm along the chain\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e tennis necklace, full line\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal options:\u003c\/strong\u003e 14kt or 18kt White, Yellow or Rose Gold\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eChain\u003c\/h3\u003e\n\u003cp\u003eSupplied as a complete necklace at the standard length shown in the render. Alternative sizing can be arranged as part of your made-to-order enquiry.\u003c\/p\u003e\n\n\u003ch3\u003eMade to Order\u003c\/h3\u003e\n\u003cp\u003eEvery piece is crafted to your chosen metal and size. Our usual timeline is around four weeks from order to dispatch, which includes UK hallmarking where required. More complex pieces may take slightly longer. We confirm the expected timeframe in writing before production begins.\u003c\/p\u003e\n\n\u003ch3\u003eWearing Lyra\u003c\/h3\u003e\n\u003cp\u003eWear Lyra close to the throat as the only piece at your neckline, where its continuous line can do all the work. For more depth, place it above a longer pendant. Its refined scale moves easily between a jumper, an open collar and evening wear.\u003c\/p\u003e\n\n\n\u003ch3\u003eQuestions about Lyra\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow many lab-grown diamonds are in Lyra?\u003c\/strong\u003e\u003cbr\u003eLyra contains 96 round brilliant lab-grown diamonds, each measuring 3.30mm. Individually linked into one continuous line, they give the necklace a total lab-grown diamond weight of approximately 14ct.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan Lyra be made in a different length?\u003c\/strong\u003e\u003cbr\u003eLyra is supplied as a complete necklace, ready to wear, with a secure clasp at the back. If you would like a different length, get in touch before you order and we will tell you what we can arrange, as every piece is made to order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the Lyra necklace fasten?\u003c\/strong\u003e\u003cbr\u003eA secure clasp fastens discreetly at the back, keeping attention on the full line of round brilliant lab-grown diamonds. The individually linked settings allow the necklace to follow the neckline in a fluid strand.\u003c\/p\u003e\n\n\u003ch3\u003eJewellery Care\u003c\/h3\u003e\n\u003cp\u003eStore separately in the pouch or box provided. Avoid contact with harsh chemicals, perfume, and chlorine. Clean gently with a soft cloth or mild soap solution. Remove before swimming, exercising, or sleeping. See our \u003ca href=\"\/pages\/care-guide\"\u003eMaterials \u0026amp; Care\u003c\/a\u003e guide for full instructions.\u003c\/p\u003e\n\n\u003ch3\u003eNeed help choosing?\u003c\/h3\u003e\n\u003cp\u003eUnsure on size, metal, or lab-grown diamond specification? \u003ca href=\"mailto:info@thelabjewellers.com?subject=Help%20choosing%20%E2%80%94%20Lyra%20%E2%80%94%20Lab-Grown%20Diamond%20Tennis%20Necklace%20%C2%B7%2014ct%20Round%20Brilliant%20Line\"\u003eEmail us\u003c\/a\u003e and we'll guide you to the right option before you order — we reply personally, within two working days.\u003c\/p\u003e","brand":"The Lab Jewellers","offers":[{"title":"14kt White Gold","offer_id":58221446824320,"sku":"GNK-0045-14WG","price":9695.0,"currency_code":"GBP","in_stock":true},{"title":"18kt White Gold","offer_id":58221446857088,"sku":"GNK-0045-18WG","price":13050.0,"currency_code":"GBP","in_stock":true},{"title":"14kt Yellow Gold","offer_id":58221446889856,"sku":"GNK-0045-14YG","price":9695.0,"currency_code":"GBP","in_stock":true},{"title":"18kt Yellow Gold","offer_id":58221446922624,"sku":"GNK-0045-18YG","price":13050.0,"currency_code":"GBP","in_stock":true},{"title":"14kt Rose Gold","offer_id":58221446955392,"sku":"GNK-0045-14RG","price":9695.0,"currency_code":"GBP","in_stock":true},{"title":"18kt Rose Gold","offer_id":58221446988160,"sku":"GNK-0045-18RG","price":13050.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6242\/0096\/files\/download_09a3cffa-3938-40ae-b71f-0504b5213b90.png?v=1780789141"},{"product_id":"round-brilliant-lab-grown-diamond-riviere-necklace","title":"Cassiopeia — Round Brilliant Lab-Grown Diamond Riviere Necklace","description":"\u003cp\u003eThe room does not need to see Cassiopeia all at once. It follows the neckline, stone after stone, until the full scale of it becomes clear. A continuous row of round brilliant lab-grown diamonds creates the kind of presence that feels composed rather than crowded, with nothing interrupting the view.\u003c\/p\u003e\n\u003cp\u003eCassiopeia is built from 124 identical 4.00mm stones, all collet set to give each one its own defined place in the line. Their repeated size creates an even rhythm around the necklace, while the concealed box clasp preserves its continuous appearance. Altogether, the design carries approximately 37.20ct of lab-grown diamonds.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Cassiopeia holds the gaze\u003c\/h3\u003e\n\u003cp\u003eCassiopeia surrounds the neckline with one complete, consistent line of lab-grown diamonds. The 124 round brilliant stones each measure 4.00mm, so its approximately 37.20ct total weight is carried in a deliberate repeated rhythm rather than centred in one place. Choose 14kt for the harder, more scratch-resistant gold, or 18kt for more pure gold and a heavier feel. White, Yellow and Rose Gold each change the mood without changing the design.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal lab-grown diamond weight:\u003c\/strong\u003e approximately 37.20ct\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLab-grown diamonds:\u003c\/strong\u003e 124 round brilliant lab-grown diamonds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone size:\u003c\/strong\u003e 4.00mm each\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eClosure:\u003c\/strong\u003e box clasp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e approximately 20.5 inches (52cm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal options:\u003c\/strong\u003e 14kt or 18kt White, Yellow or Rose Gold\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eChain\u003c\/h3\u003e\n\u003cp\u003eSupplied as a complete necklace at the standard length shown in the render. Alternative sizing can be arranged as part of your made-to-order enquiry.\u003c\/p\u003e\n\n\u003ch3\u003eMade to Order\u003c\/h3\u003e\n\u003cp\u003eEvery piece is crafted to your chosen metal and size. Our usual timeline is around four weeks from order to dispatch, which includes UK hallmarking where required. More complex pieces may take slightly longer. We confirm the expected timeframe in writing before production begins.\u003c\/p\u003e\n\n\u003ch3\u003eWearing Cassiopeia\u003c\/h3\u003e\n\u003cp\u003eLet Cassiopeia follow bare skin or a simple, open neckline, where its uninterrupted row can be seen from end to end. With 124 matching 4.00mm stones, it needs little beside it. Choose restrained earrings and keep other necklaces away from the line.\u003c\/p\u003e\n\n\n\u003ch3\u003eQuestions about Cassiopeia\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAre the stones in Cassiopeia all the same size?\u003c\/strong\u003e\u003cbr\u003eYes. Cassiopeia uses 124 identical round brilliant lab-grown diamonds, each measuring 4.00mm. Their consistent size creates the necklace's even, continuous rhythm and approximately 37.20ct total weight.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the necklace fasten?\u003c\/strong\u003e\u003cbr\u003eCassiopeia fastens with a concealed box clasp. It is designed to keep the line visually uninterrupted, so the 124 collet-set stones remain the defining feature around the necklace.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Cassiopeia made to order?\u003c\/strong\u003e\u003cbr\u003eYes. Cassiopeia is made to order in 14kt or 18kt White, Yellow or Rose Gold, and each piece takes around four weeks. If you have a question about the fit before you order, email us and we will be happy to help.\u003c\/p\u003e\n\n\u003ch3\u003eJewellery Care\u003c\/h3\u003e\n\u003cp\u003eStore separately in the pouch or box provided. Avoid contact with harsh chemicals, perfume, and chlorine. Clean gently with a soft cloth or mild soap solution. Remove before swimming, exercising, or sleeping. See our \u003ca href=\"\/pages\/care-guide\"\u003eMaterials \u0026amp; Care\u003c\/a\u003e guide for full instructions.\u003c\/p\u003e\n\n\u003ch3\u003eNeed help choosing?\u003c\/h3\u003e\n\u003cp\u003eUnsure on size, metal, or lab-grown diamond specification? \u003ca href=\"mailto:info@thelabjewellers.com?subject=Help%20choosing%20%E2%80%94%20Cassiopeia%20%E2%80%94%20Round%20Brilliant%20Lab-Grown%20Diamond%20Riviere%20Necklace\"\u003eEmail us\u003c\/a\u003e and we'll guide you to the right option before you order — we reply personally, within two working days.\u003c\/p\u003e","brand":"The Lab Jewellers","offers":[{"title":"14kt White Gold","offer_id":58221450363264,"sku":"GNK-0043-14WG","price":13895.0,"currency_code":"GBP","in_stock":true},{"title":"18kt White Gold","offer_id":58221450396032,"sku":"GNK-0043-18WG","price":17650.0,"currency_code":"GBP","in_stock":true},{"title":"14kt Yellow Gold","offer_id":58221450428800,"sku":"GNK-0043-14YG","price":13895.0,"currency_code":"GBP","in_stock":true},{"title":"18kt Yellow Gold","offer_id":58221450461568,"sku":"GNK-0043-18YG","price":17650.0,"currency_code":"GBP","in_stock":true},{"title":"14kt Rose Gold","offer_id":58221450494336,"sku":"GNK-0043-14RG","price":13895.0,"currency_code":"GBP","in_stock":true},{"title":"18kt Rose Gold","offer_id":58221450527104,"sku":"GNK-0043-18RG","price":17650.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6242\/0096\/files\/download_25b9a6d8-f896-4f52-9111-774378b783d1.png?v=1780927435"},{"product_id":"lab-grown-diamond-necklace-emerald-cut-line-24ct","title":"Andromeda — Lab-Grown Diamond Necklace · Emerald-Cut Line · 24.06ct","description":"\u003cp\u003eAndromeda does not gather around one centre. It makes the entire neckline the focus. A continuous succession of emerald-cut stones curves from clasp to clasp, each broad facet returning light in measured flashes and each rectangular outline reinforcing the next.\u003c\/p\u003e\n\u003cp\u003eThe necklace contains 121 emerald-cut lab-grown diamonds in five sizes, from 3.50 x 2.60mm to 5.00 x 3.50mm. Set side by side in collets, they form an even architectural line. A discreet clasp closes the piece at the back, leaving the front to read as an uninterrupted sequence of clean step-cut geometry.\u003c\/p\u003e\n\n\u003ch3\u003eAndromeda owns the whole neckline\u003c\/h3\u003e\n\u003cp\u003eAndromeda offers scale without relying on a single centre stone, distributing its stones around the neck in one composed line. Its 121 emerald-cut lab-grown diamonds bring broad reflections and precise geometry from end to end. Choose 14kt for the harder, more scratch-resistant gold, or 18kt for more pure gold and a heavier feel. White, Yellow and Rose Gold each lend a different temperature to the step-cut pattern.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLab-grown diamonds:\u003c\/strong\u003e 121 emerald-cut stones\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStones:\u003c\/strong\u003e 66 × 4.10 × 3.00mm, 34 × 3.50 × 2.60mm, 18 × 3.80 × 2.80mm, 2 × 4.50 × 3.20mm and 1 × 5.00 × 3.50mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal carat weight:\u003c\/strong\u003e approximately 24ct\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e emerald-cut line necklace\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal options:\u003c\/strong\u003e 14kt or 18kt White, Yellow or Rose Gold\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eChain\u003c\/h3\u003e\n\u003cp\u003eSupplied as a complete necklace at the standard length shown in the render. Alternative sizing can be arranged as part of your made-to-order enquiry.\u003c\/p\u003e\n\n\u003ch3\u003eMade to Order\u003c\/h3\u003e\n\u003cp\u003eEvery piece is crafted to your chosen metal and size. Our usual timeline is around four weeks from order to dispatch, which includes UK hallmarking where required. More complex pieces may take slightly longer. We confirm the expected timeframe in writing before production begins.\u003c\/p\u003e\n\n\u003ch3\u003eWearing Andromeda\u003c\/h3\u003e\n\u003cp\u003eLet Andromeda sit directly against bare skin or a plain, open neckline, where every rectangular outline remains visible. The continuous line is strong enough to wear without another necklace. Pair it with restrained earrings and keep collars clear of the stones so the geometry can follow the neck cleanly.\u003c\/p\u003e\n\n\n\u003ch3\u003eQuestions about Andromeda\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow many lab-grown diamonds are in Andromeda?\u003c\/strong\u003e\u003cbr\u003eAndromeda contains 121 emerald-cut lab-grown diamonds. They are set side by side around the neck, creating one continuous line rather than a single central feature.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre all the stones in Andromeda the same size?\u003c\/strong\u003e\u003cbr\u003eThe emerald-cut lab-grown diamonds come in five sizes, ranging from 3.50 x 2.60mm to 5.00 x 3.50mm. Their collet settings hold the mixed sizes in one composed line around the neck.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan Andromeda be made to another length?\u003c\/strong\u003e\u003cbr\u003eAndromeda is supplied as a complete necklace at the standard length shown in the render. Alternative sizing can be arranged as part of your made-to-order enquiry before it is finished in your chosen metal.\u003c\/p\u003e\n\n\u003ch3\u003eJewellery Care\u003c\/h3\u003e\n\u003cp\u003eStore separately in the pouch or box provided. Avoid contact with harsh chemicals, perfume, and chlorine. Clean gently with a soft cloth or mild soap solution. Remove before swimming, exercising, or sleeping. See our \u003ca href=\"\/pages\/care-guide\"\u003eMaterials \u0026amp; Care\u003c\/a\u003e guide for full instructions.\u003c\/p\u003e\n\n\u003ch3\u003eNeed help choosing?\u003c\/h3\u003e\n\u003cp\u003eUnsure on size, metal, or lab-grown diamond specification? \u003ca href=\"mailto:info@thelabjewellers.com?subject=Help%20choosing%20%E2%80%94%20Andromeda%20%E2%80%94%20Lab-Grown%20Diamond%20Necklace%20%C2%B7%20Emerald-Cut%20Line%20%C2%B7%2024ct\"\u003eEmail us\u003c\/a\u003e and we'll guide you to the right option before you order — we reply personally, within two working days.\u003c\/p\u003e","brand":"The Lab Jewellers","offers":[{"title":"14kt White Gold","offer_id":58221451673984,"sku":"GNK-0051-C5-14WG","price":11350.0,"currency_code":"GBP","in_stock":true},{"title":"18kt White Gold","offer_id":58221451706752,"sku":"GNK-0051-C5-18WG","price":14150.0,"currency_code":"GBP","in_stock":true},{"title":"14kt Yellow Gold","offer_id":58221451739520,"sku":"GNK-0051-C5-14YG","price":11350.0,"currency_code":"GBP","in_stock":true},{"title":"18kt Yellow Gold","offer_id":58221451772288,"sku":"GNK-0051-C5-18YG","price":14150.0,"currency_code":"GBP","in_stock":true},{"title":"14kt Rose Gold","offer_id":58221451805056,"sku":"GNK-0051-C5-14RG","price":11350.0,"currency_code":"GBP","in_stock":true},{"title":"18kt Rose Gold","offer_id":58221451837824,"sku":"GNK-0051-C5-18RG","price":14150.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6242\/0096\/files\/download_dbae7cd4-d8fb-48f4-a90e-f3739ddd9749.png?v=1780789541"}],"url":"https:\/\/thelabjewellers.com\/collections\/lab-grown-diamond-tennis-necklaces.oembed","provider":"The Lab Jewellers","version":"1.0","type":"link"}