Mixed-cut lab-grown diamond open circle pendant necklace, front view, in white gold by THE LAB Jewellers
Callisto — Mixed-Cut Lab-Grown Diamond Open Circle Pendant Necklace — worn at the neck
Callisto — Mixed-Cut Lab-Grown Diamond Open Circle Pendant Necklace — worn, angled detail
Mixed-cut lab-grown diamond open circle pendant necklace, front view, in yellow gold by THE LAB Jewellers
Mixed-cut lab-grown diamond open circle pendant necklace, front view, in rose gold by THE LAB Jewellers
Necklace white gold view 1
Necklace white gold view 2
Necklace white gold view 3
Necklace white gold view 4
Necklace yellow gold view 1
Necklace yellow gold view 2
Necklace yellow gold view 3
Necklace yellow gold view 4
Necklace rose gold view 1
Necklace rose gold view 2
Necklace rose gold view 3
Necklace rose gold view 4
Mixed-Cut Lab-Grown Diamond Open Circle Pendant Necklace — 360 spin

Callisto — Mixed-Cut Lab-Grown Diamond Open Circle Pendant Necklace

Made to order — dispatches in approximately two working weeks
Regular price£850.00
/
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.

An open circle pendant set with a deliberate mix of diamond cuts — round, marquise, pear and emerald — arranged around the ring. The varied shapes give it a soft, scattered look that feels considered rather than uniform. It hangs from a fine chain and sits just below the collarbone.

The diamonds sit side by side around an open circle, alternating pointed and step-cut shapes so the light breaks up differently across the design. The open centre keeps the pendant light despite the range of stones.

  • Pendant shape: Open circle, mixed diamond cuts
  • Diamonds: 4 round, 5 marquise, 4 pear and 3 emerald-cut lab-grown diamonds
  • Total diamonds: 16
  • Total carat weight: approximately 1.70ct
  • Pendant size: approximately 23.1 x 23.2mm
  • Metal options: 14kt or 18kt White, Yellow or Rose Gold

Chain

Supplied on a fine cable chain. 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 quietly distinctive pendant for everyday; wear it with an open collar.

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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