Where Colour
Meets
Craftsmanship
Colour is our business since 1979. A family tradition of sourcing the finest sapphires, emeralds, and rubies, from mine to your hands.
Newest Additions
The latest stones added to our collection. Each certified and ready for viewing.
A Family Legacy in Colour
From the heart of Antwerp's diamond district, our family has spent over four decades building relationships with the finest miners, cutters and laboratories around the world.
Trusted by the Trade & Private Collectors
45 years of family expertise, internationally certified and ethically accredited.
GIA Certified
Dave Sand holds a Graduate Gemologist degree from the Gemological Institute of America, the world's foremost authority in gemology.
ICA Accredited Ethical Member
Accredited by the International Colored Gemstone Association, verifying our commitment to ethical sourcing and transparent business practices.
45+ Years in Antwerp
Founded in 1979 in Antwerp's Diamond District. Three generations of the Sand family, built on direct sourcing and personal relationships.
Have you worked with us? We'd love to hear from you.
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Tell us what you're looking for. We'll find it, certify it, and bring it to you.
Frequently Asked Questions
Everything you need to know about buying certified coloured gemstones from SandGems.
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