2.5ct total · Round brilliant
D–F colour · VS1+ clarity
Made to order — dispatched in around four weeks, hallmarked where required
✓ Secure checkout
✓ 14-day returns on standard pieces, and faulty pieces always covered · Returns & Refunds
✓ Read our reviews on Trustpilot
✓ Questions? info@thelabjewellers.com or tap WhatsApp
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.
Some earrings finish a look. Lumen begins it. An approximately 1.25ct stone at each ear creates two confident points of light, matched in scale and strong enough to carry a simple outfit from morning through to evening.
Each 7.00mm round brilliant lab-grown diamond sits in an open solitaire framework, lifted just clear so light can reach it from every side. The discreet metalwork keeps the stones fully in view, while the low, secure seat holds them flush to the lobe. Each earring measures approximately 9.6mm across and closes with a standard post and flat round disc back.
Lumen brings substantial solitaire presence to the ear, with approximately 1.25ct in each matched stud and 2.5ct across the pair. The open framework gives each 7.00mm round brilliant lab-grown diamond the visual focus, while the low seat keeps the design close to the lobe. Choose 14kt for the harder, more scratch-resistant gold, or 18kt for more pure gold and a heavier feel.
Every piece is crafted to order in your chosen metal. 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.
Wear Lumen alone when you want the 2.5ct pair to lead, or add a hoop alongside for a layered ear. The studs move easily from a crisp shirt or knit during the day to evening clothes, with the round brilliant stones remaining the clear focus.
How much does each Lumen lab-grown diamond weigh?
Each earring holds one round brilliant lab-grown diamond of approximately 1.25ct, measuring 7.00mm. Together, the two stones have a total lab-grown diamond weight of 2.5ct.
How does the Lumen setting hold each stone?
Each stone sits in a classic open solitaire framework with a low, secure seat that holds the stud flush to the lobe. The design keeps the metalwork discreet and the round brilliant lab-grown diamond fully visible.
What backs do the Lumen earrings have?
Lumen is finished with a standard post and a flat round disc back. Each complete earring measures approximately 9.6mm across and is made to order in your selected gold colour and purity.
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.
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.
