Micro prong round lab-grown diamond ring by THE LAB Jewellers
Cora — Sterling Silver Open Heart Round Lab-Grown Diamond Ring (0.08ct Total) — worn close-up detail
Cora — Sterling Silver Open Heart Round Lab-Grown Diamond Ring (0.08ct Total) — worn on the hand
Ten-Stone Micro Prong Round Lab-Grown Diamond Ring (0.08ct Total), view 1
Ten-Stone Micro Prong Round Lab-Grown Diamond Ring (0.08ct Total), view 2
Ten-Stone Micro Prong Round Lab-Grown Diamond Ring (0.08ct Total), view 3
Ten-Stone Micro Prong Round Lab-Grown Diamond Ring (0.08ct Total), view 4
Ten-Stone Micro Prong Round Lab-Grown Diamond Ring (0.08ct Total) — 360° spin video

Cora — Sterling Silver Open Heart Round Lab-Grown Diamond Ring (0.08ct Total)

Approx. 0.08ct total · Round

D–F colour · VS1+ clarity

Made to order — dispatched in around four weeks

Regular price£105.00
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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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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.

Wear the heart where you can see it. Cora is an open heart that sits softly off-centre, so it feels personal rather than formal. In 925 sterling silver, the outline stays light on the hand, while one decorated side adds a quiet point of contrast for every day.

Ten 1.20mm round lab-grown diamonds run along one side of the heart in micro prong settings, totalling approximately 0.08ct, while the other side stays as slim silver. That deliberate division between stones and slim silver gives Cora its identity: the same shape expressed in two different ways within one small, meaningful design.

Prefer gold? Cora is also made in solid 14kt and 18kt gold — see the gold version.

Keep Cora close

Cora is a gift for someone who likes a small gesture with a lot behind it. Its open heart is made in 925 sterling silver, with 10 round lab-grown diamonds tracing one side and slim silver defining the other. The stones are D to F colour and VS1 clarity or better, totalling approximately 0.08ct. Made in the recipient's UK ring size, it arrives already personal to them.

  • Motif: Open heart silhouette
  • Stone type: Lab-grown diamond
  • Stone shape: Round
  • Stones: 10 × 1.20mm, set along one side of the heart
  • Stone count: 10 lab-grown diamonds
  • Total lab-grown diamond weight: approximately 0.08ct
  • Metal options: 925 Sterling Silver

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. More complex pieces may take slightly longer. We confirm the expected timeframe in writing before production begins.

Wearing Cora

Cora works as an everyday reminder, worn alone where its off-centre heart remains clear. It can also sit beside a fine plain silver band, provided the motif has room around it. Pair it with a simple heart pendant or small silver earrings when you want the meaning to carry through.

Caring for Sterling Silver

Sterling silver naturally darkens a little over time. It is normal, and a silver polishing cloth brings it straight back. Please don't use silver dip solutions on lab-grown diamond-set pieces, as the chemicals can damage the settings. Store it on its own in the pouch or box provided, and take it off before swimming, exercising or sleeping. See our Materials & Care guide for full instructions.

Questions about Cora

Why is only one side of Cora's heart set?
That balance is the design. Ten round lab-grown diamonds run along one side of the heart, and the other side stays as slim 925 sterling silver, giving the outline a soft contrast.

Which setting is used in Cora's heart?
The 1.20mm round lab-grown diamonds are held in micro prong settings along one side of the motif. All 10 stones total approximately 0.08ct and follow the open heart shape.

Can Cora be sent as a gift in the UK?
Yes. Cora is made to order in the chosen UK ring size and sent with free tracked and signed-for UK delivery. Please allow around four weeks for it to be made.

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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