TDH Gems

Est. trade supply

Certified loose gemstones, shown only to the trade.

Browse our current inventory stone by stone — media, carat weight, colour, grade, cut and certificate references. Access is granted to verified jewellers and dealers after a short review.

Emerald-cut green gemstone lit against black velvet

Hand-selected inventory

Every stone is photographed and measured in-house, with colour, grade, shape and cut recorded exactly as graded.

Certificates on file

Laboratory references and scanned certificates sit alongside each stone, viewable the moment your account is approved.

Trade only, by review

No cart, no public pricing. Registrations are confirmed by email and reviewed by our team before the collection opens.