Round cut lab-grown diamond solitaire ring by THE LAB Jewellers
Romy — Round Solitaire Ring with Grooved Band (1.00ct Lab-Grown Diamond) — worn close-up detail
Romy — Round Solitaire Ring with Grooved Band (1.00ct Lab-Grown Diamond) — worn on the hand
Romy — Round Solitaire Ring with Grooved Band (1.00ct Lab-Grown Diamond) — worn, angled detail
Round solitaire ring with grooved band, view 1
Round solitaire ring with grooved band, view 2
Round solitaire ring with grooved band, view 3
Round solitaire ring with grooved band, view 4
Round solitaire ring with grooved band, 360 spin
Romy lab-grown diamond ring in yellow gold, front view
Romy lab-grown diamond ring in yellow gold, angled view
Romy lab-grown diamond ring in rose gold, front view
Romy lab-grown diamond ring in rose gold, angled view

Romy — Round Solitaire Ring with Grooved Band (1.00ct Lab-Grown Diamond)

Approx. 1.00ct · Round

D–F colour · VS1+ clarity · IGI report included

Made to order — dispatched in around four weeks, hallmarked where required

Regular price£1,150.00
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Free tracked and signed-for UK delivery. View delivery details.

Metal

Made in your size at no extra cost. Ring size guide

Not sure of your size? Order a strap sizer — it is £5.00, and we email the full £5.00 straight back to you as a gift card, so it comes off the price of your ring.

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✓  Made to your size · find your ring size

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Lab-grown diamond quality

D–F colour  ·  VS1 clarity or better

Every lab-grown diamond is D–F colour and VS1 clarity or better. Round brilliant lab-grown diamonds can receive a formal cut grade; fancy shapes are assessed through their proportions, polish, symmetry and overall make. Any piece whose centre stone, on its own, weighs 1.00ct or more includes an individual IGI grading report as standard. Total carat weight does not count towards this.

Romy gives a solitaire backbone. A substantial band runs towards the raised round lab-grown diamond, with twin raised edges running along the grooved band, creating strong lines along the hand.

That grooved shank changes the entire character of the ring. Instead of disappearing beneath the 6.50mm centre, the band remains an important part of the design, carrying a crisp, architectural detail from front to back. The approximately 1.00ct stone provides the single focal point, while the weightier band gives it a confident foundation. Romy is for someone who wants the purity of one stone without choosing a delicate or understated setting.

Also in sterling silver. Romy is available in 925 sterling silver — see the silver version.

Romy is built on structure

Romy makes the band as considered as the centre, with twin raised edges and a groove running along the shank. Above it sits a 6.50mm round lab-grown diamond of approximately 1.00ct, accompanied by an independent IGI grading report. Choose 14kt for the harder, more scratch-resistant gold, or 18kt for more pure gold and a heavier feel. White, Yellow and Rose Gold are available, with a separate 925 sterling silver version too.

  • Stone type: Lab-grown diamond
  • Stone shape: Round
  • Stones: 1 × 6.50mm
  • Stone count: 1 lab-grown diamond
  • Total lab-grown diamond weight: approximately 1.00ct
  • Certificate: includes an independent IGI grading report for the centre stone, at no extra cost.
  • Band: Grooved twin-edge band
  • Metal options: 14kt or 18kt White, Yellow or Rose Gold

Ring Size

This ring is made to order in your size. Choose your UK ring size when you order — there is no extra charge for any size. If you are unsure of your size, our ring sizer makes it easy at home — and your £5 comes straight back to you as a gift card. Standard UK sizes are available — if you need guidance, contact us before placing your order.

Made to Order

Every 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.

Wearing Romy

The substantial grooved band gives Romy a weightier visual presence on the hand and keeps its architectural lines visible from different angles. It works particularly well worn alone, allowing both the raised centre and twin-edge detail to hold equal importance without another band interrupting the design.

Questions about Romy

What is the detail running along Romy's band?
Romy has a grooved twin-edge band. Two raised edges run along the shank, forming a crisp architectural line that gives the ring more visual substance than a smooth plain band.

How large is Romy's centre lab-grown diamond?
The centre is one 6.50mm round lab-grown diamond weighing approximately 1.00ct. It is raised above the grooved band and includes an independent IGI grading report at no extra cost.

Which metal gives Romy the heavier feel?
Choose 18kt Gold for more pure gold and a heavier feel. Romy is offered in 14kt or 18kt White, Yellow and Rose Gold, so you can select the colour and gold content you prefer.

Jewellery Care

Store 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 Materials & Care guide for full instructions.

Need help choosing?

Unsure on size, metal, or lab-grown diamond specification? Email us and we'll guide you to the right option before you order — we reply personally, within two working days.

All pieces are made to order. Sterling silver and gold pieces dispatch in around four weeks, which includes UK hallmarking where required. Every order is tracked and signed for, and UK delivery is free. See how your piece is made, plus our Shipping & Delivery and Returns & Refunds pages for full details.

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