UK Stones, Cabochon and Gem Suppliers

On this page you can find UK stone and gem suppliers. US and international suppliers are listed separately, making it easier for you to find what you need. You’ll find suppliers of stones, cabs and gems on this page. Check with the supplier if stones you buy can be used in place with metal clay – will they withstand firing temperatures? If not, you can bezel set them. All suppliers will ship internationally unless otherwise stated.

Content checked in January 2024.

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Blue Nile

UK diamond supplier.

Cookson Gold

UK supplier with a full range of Art Clay, PMC, copper clay, bronze clay, kits, tool and moulds. Also sell wire and sheet metal, a huge selection of beads, findings and packaging.

Cool Diamonds

UK supplier of loose diamonds.

Designer Cabochons

Wow! This site is packed with beautiful cabochons, all one of a kind, hand cut and ethically sourced. You could spend a fortune here!

Diamond CZ

UK supplier with a wide range of cubic zirconia in a variety of cuts and colours.

The Gem Bank

UK supplier of loose gemstones including diamonds, rubies, sapphires and emeralds.

Holts Gems

Established in 1948, Holts are renowned UK stone and gem suppliers. They are gemstone specialists to the jewellery trade. With a unique team of highly experienced gemmologists, lapidaries and designers, they pride themselves on supplying the widest choice of natural precious gemstones and gemstone-set jewellery in the UK. Their stones are sourced from all around the world, and many are cut in their own workshops.

Jewellery Maker

UK stone and gem suppliers. They also supply gemstone beads, findings, threading materials, chains, jewellery making kits, tools and accessories. They also have a number of video tutorials showing basic wire working and beading techniques.

Joopy Gems

UK based supplier of gems specialising in rose cuts and cabochons and shipping worldwide.


UK stone and gem suppliers Kernowcraft sells everything from PMC, natural gems, pearls, cabochons and crystals to tools, findings and a huge range of beads.

Magpie Jewellers

UK Ebay shop selling good quality stones and gems.

Marcia Lanyon

UK supplier of beads, pearls, stones and gems. With 30 years of experience supplying beautiful, high quality gemstones to world renowned designers and jewellers, Marcia Lanyon Ltd is the premier wholesaler of coloured stones to the UK Jewellery Trade.

Metal Clay Ltd

Suppliers of Art Clay, Bronzclay™, Copprclay™, tools, kilns, stones and findings.

Shangrila Gems

ShangrilaGems sell the best gemstones, cabochon and beads. Their mission is to delight their customers with the beauty of their treasures and the quality of their service. ShangrilaGems are corporate members of the Gemmological Association of Great Britain and they look to uphold their high standards of gem research and representation. Their customers include gem re-sellers in the London gem district, leading designers and both British and International gem and bead wholesalers.  

Your Precious Gems

UK stone and gem suppliers.