+ Certified Specimen Archive
Natural Gemstone Showroom
Verified corundum, beryl, and tourmaline specimens documented with confirmed geographical provenance, millimeter table measurements, and uncompromised mineralogical disclosures for fine jewelers and private collectors.
KJ GEMS STONS
Certified natural gemstones, loupe-inspected origin, direct from the lapidary.
Home-Showroom-Gemology-Reviews-Contact
Private Viewings
curator@kjgemsstons.co.uk
+44 20 7946 0912
Mayfair, London W1J 8AQ
Inspections by private appointment
© 2026 KJ GEMS STONS-Inspected under ten-power magnification in London.
NATURAL UNTREATED SPECIMENS
