certified
By purpose
Certified stones
A certificate does not make a stone better — it makes it verifiable. Below are the listings that carry a laboratory report, and an explanation of what to look at in one.
certified
No stones match these filters.
Clear a filter or write to us — we will search by hand.
What to look at in a report
Laboratory and number. A report from an unrecognised laboratory, with no verifiable number, is a sheet of paper.
Natural origin. The essential line: natural stone or synthetic. Everything else is secondary.
Treatment. Heat is normal market practice for many stones, but it must be named. Undisclosed treatment is a reason to ask questions.
Geographic origin. It affects price considerably and is not always determinable: some reports honestly state “undetermined”.
Verification
Colour is checked against the light, not from a photograph
Daylight shows what a studio hides: zoning, inclusions, and how the stone will behave in a piece. We will film any listing again under both daylight and evening light on request.
Get in touch
Describe what you need — we will find the stone
Telegram or WhatsApp is fastest. Send a photograph of a setting, a sketch, or simply describe what you have in mind.
