Extreme macro of a brilliant-cut diamond under controlled studio strobe, facets refracting prismatic light against a pure white ground, geometric symmetry of the crown visible in sharp focus
Extreme macro of a brilliant-cut diamond under controlled studio strobe, facets refracting prismatic light against a pure white ground, geometric symmetry of the crown visible in sharp focus
— The Firm

We hold only what we can stand behind.

Decades at acquisition level have produced one operating principle: if the provenance cannot be verified to documentation standard, the stone does not enter inventory.

Patient curation, not turnover.

Stones in our inventory are held until the right collector arrives — weeks or months. We are not optimizing for velocity.

/ Operating principle

Every piece carries a chain of custody traceable to its geological origin. GIA certification, mine-of-origin documentation, and independent appraisal are the floor, not a differentiator.

Our principals have sourced at institutional scale — working directly with mining operations, auction houses, and estate liquidations where retail buyers are not invited. That access is the credential.

Collector accounts

The documentation package that accompanied my Kashmir sapphire was the most thorough I have received from any private dealer — origin report, chain of custody, and independent lab confirmation.

They advised me to wait three months before acquiring a particular stone — the right one arrived, at the right price. That patience is not something you find at the retail level.

Private collector, New York
Family office, Geneva

Due diligence begins with a single inquiry.

If you have a specific stone in mind — or a category to explore — we respond with documentation, not a sales pitch.