Round brilliant lab-grown diamond riviere necklace, front view, in white gold by THE LAB Jewellers
Cassiopeia — Round Brilliant Lab-Grown Diamond Riviere Necklace — worn at the neck
Cassiopeia — Round Brilliant Lab-Grown Diamond Riviere Necklace — worn, angled detail
Round brilliant lab-grown diamond riviere necklace, front view, in yellow gold by THE LAB Jewellers
Round brilliant lab-grown diamond riviere necklace, front view, in rose gold by THE LAB Jewellers
Round Brilliant Lab-Grown Diamond Riviere Necklace, white gold view 1
Round Brilliant Lab-Grown Diamond Riviere Necklace, white gold view 2
Round Brilliant Lab-Grown Diamond Riviere Necklace, white gold view 3
Round Brilliant Lab-Grown Diamond Riviere Necklace, white gold view 4
Round Brilliant Lab-Grown Diamond Riviere Necklace, yellow gold view 1
Round Brilliant Lab-Grown Diamond Riviere Necklace, yellow gold view 2
Round Brilliant Lab-Grown Diamond Riviere Necklace, yellow gold view 3
Round Brilliant Lab-Grown Diamond Riviere Necklace, yellow gold view 4
Round Brilliant Lab-Grown Diamond Riviere Necklace, rose gold view 1
Round Brilliant Lab-Grown Diamond Riviere Necklace, rose gold view 2
Round Brilliant Lab-Grown Diamond Riviere Necklace, rose gold view 3
Round Brilliant Lab-Grown Diamond Riviere Necklace, rose gold view 4
Round Brilliant Lab-Grown Diamond Riviere Necklace — 360° spin video

Cassiopeia — Round Brilliant Lab-Grown Diamond Riviere Necklace

Made to order — dispatches in approximately two working weeks
Regular price£13,195.00
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Shipping calculated at checkout.

Metal
  • Free insured UK delivery on every order

Any length, same price. 18in sits just below the collarbone and suits most people.

Diamond quality

D–F colour  ·  VS1 clarity or better

Every diamond is lab-grown, D–F colour and VS1 clarity or better. Round brilliant diamonds can receive a formal cut grade; fancy shapes are assessed through their proportions, polish, symmetry and overall make. Any piece with a centre stone of 1.00ct or more includes an independent IGI grading report or GIA quality assessment as standard.

The classic diamond line necklace, rendered entirely in lab-grown round brilliants. A single unbroken row of stones sits close to the throat, catching light from every angle — the definitive piece for those who want maximum diamond presence.

One hundred and twenty-four round brilliant lab-grown diamonds run continuously around the necklace, each lifted so light passes through the stone. The graduated curve sits smoothly against the neck, and a concealed box clasp keeps the line uninterrupted.

  • Total diamond weight: approximately 37.20ct
  • Diamonds: 124 round brilliant lab-grown diamonds
  • Stone size: 4.00mm each
  • Closure: box clasp
  • Metal options: 14kt or 18kt White, Yellow or Rose Gold

Chain

Supplied as a complete necklace. Choose 16, 18 or 20 inches above — 18 inches is our standard and the price is the same whichever you pick.

Made to Order

Every piece is crafted to your chosen metal and size. Our usual production lead time is approximately two working weeks before dispatch. More complex pieces may take slightly longer. We confirm the expected timeframe in writing before production begins.

Styling

A true centrepiece for evening — wear it against bare skin and let the unbroken line of diamonds do the work.

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 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 and dispatch in approximately two working weeks, fully insured and tracked. UK delivery is free on every order. See our Shipping & Delivery and Returns & Refunds pages for full details.

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