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Gemstones in catalog
Catalog value
0000Registered partners

SOSNA Vault

Insured custody, institutional standard.

Custody stones receive the strongest trust positioning on SOSNA Exchange: faster delivery, higher ranking, premier badges and insurance-backed storage with immutable history.

01

SOSNA Vault Custody

Physical custody at approved vault partners with full chain-of-custody documentation.

02

Insured custody

Stones held under insurance-backed storage according to applicable custody terms.

03

Approved vault partners

Institutional-grade partners across USA, EU and DMCC, audited and contracted.

04

Custody movements

Every intake, transfer, condition check and release is logged with sealed-package evidence.

05

Condition reports

Photographic and measurement-based condition reports at each custody event.

06

Immutable custody history

Custody records hashed and anchored daily — tamper-evident proof without exposing personal data.

Operating regions

Miami · Prague · Dubai

Operational focus in Miami, with active regions in Prague and Dubai through SOSNA Exchange-approved vault providers under SOSNA Trade Desk control.

01

Miami

Main operational focus for North American buyers and trade.

02

Prague

European intake, audit and compliance hub.

03

Dubai

DMCC-region custody through SOSNA Exchange-approved vault providers under SOSNA Trade Desk control.

Exact vault addresses are never shown on listing pages.