NEWS & THE WORKSHOP
The Newsroom.
Dispatches from the workshop, the trade, and the supply chain, covering what we’re making, why it matters, and what we’ve learned along the way.
Four Stones, One Colour: The Gemmology of the Sapphire Parure
Fancy sapphires, those outside the canonical blue, occupy a narrower stratum of the gem trade. Colour dominates their valuation to a degree that distinguishes them from even their blue relatives; a fraction of a degree on the colour wheel can double or halve a stone's...
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