Public Access
Open browsing of selected certified gemstones. No registration required.
Access · SOSNA Exchange
A private platform for certified gemstones and institutional trade.
SOSNA Exchange is a verified US platform operated by Sosna Gems Investments Inc. (USA). It combines a public catalog of certified stones, a trade workflow for jewelers and dealers, private sourcing for VIP clients and institutional custody through SOSNA Vault. Every stone is reviewed by SOSNA Verify and every partner is approved by SOSNA Trade Desk. Select the access level that matches your role.
Certificate verification
Every stone via SOSNA Verify
Partner approval
SOSNA Trade Desk · USA
Institutional custody
SOSNA Vault · insured
Operator
Sosna Gems Investments Inc.
Registered Access
Free account with email verification. Saved searches, watchlist, price alerts and buyer requests.
Business Access
For jewelers, goldsmiths, dealers, gemstone traders and wholesale buyers. Approval required.
VIP / Private Client Access
For collectors, high-value buyers and clients seeking sourcing, custody or private offers.