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Natural certified diamonds

Natural diamonds graded by GIA, HRD and IGI, supplied to jewellers and the trade. Every certified stone is listed with its lab and report number.

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Six faceted diamonds arranged in a row on a reflective black surface

Shapes we stock

Search by shape, then narrow by carat, colour, clarity, cut, polish, symmetry, fluorescence and lab.

  • Round
  • Oval
  • Princess
  • Emerald
  • Cushion
  • Pear
  • Marquise
  • Radiant
  • Asscher
  • Heart
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Graded by the major labs

  • LabsGIA, IGI, HRDEach certified stone carries its lab name and report number.
  • Shapes10Round to heart, searchable by shape.
  • CheckOn the lab's siteYou can check any report on the lab's own website before you buy.
  • Holds24 hoursFor approved buyers.

How to verify a certificate

Country of origin

Importers into the EU of natural polished diamonds of 0.5 ct and above must file a due-diligence statement on diamond origin (from 1 January 2026). Ask us for the origin paperwork on any stone.

Read our sourcing approach

Questions

Why can't I see prices?

Prices are wholesale and shown only to approved trade buyers. Apply for trade access to see them.

Can I hold a stone?

Yes. Approved buyers can hold a stone for 24 hours.

Can I get a video of a stone?

Yes, on request from the stone's page in the trade portal, or by enquiry.

Not listed? Ask us

Call our Sydney office: +61 410 058 909

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