The global gemstone vault
Source with proof.
Settle with certainty.
The verified B2B marketplace where dealers and jewellers source certified emeralds and coloured stones.
Verified origin Lab-certified Escrow settlement
Why GemstoneX
Trade-grade infrastructure for sourcing coloured stones.
Verified origin
Provenance established at source and documented against every stone before it reaches the Vault.
Lab-certified
Independent grading from recognised laboratories: GIA, GRS, SSEF, Gübelin, AGL, GGTL, CDTEK.
Escrow settlement
Funds held in escrow on regulated banking rails, released on confirmed delivery only.
How it works
From application to settlement, on one standard.
01
Apply & verify
Trade buyers and suppliers apply once. Our team verifies credentials before access is granted.
02
Browse the Vault
Explore certified emeralds and fine pieces, de-identified and documented to one standard.
03
Inquire on a stone
Request certification and trade pricing on any piece. Sellers stay anonymous throughout.
04
Settle securely
Agree terms and settle through escrow on regulated banking channels, released on delivery.