Independent Advice. Exceptional Stones. Complete Discretion.

Spectra Gems provides independent sourcing and advisory for significant natural diamonds, coloured gemstones and fine jewellery — combining gemmological expertise, global market knowledge and trusted industry relationships to help clients acquire with confidence.

Sourcing & Acquisition — coloured diamonds, important natural diamonds, Kashmir sapphires, Colombian emeralds, black opals and rare gemstones.

Independent Assessment — second opinions, documentation, provenance, pricing and value.

Bespoke Jewellery Advisory — sourcing the right stone, selecting designers/manufacturers, quality control and final delivery.

Collection & Portfolio Advice — reviewing existing pieces, rationalising collections, acquisition strategy and resale considerations.

Know what to buy. Know where to find it. Know what it should cost.

Independent advice begins with a confidential conversation.