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Vicenzaoro: CIBJO – The Meaning of ‘Origin’ in the Coloured Gemstone Trade
Vicenzaoro: CIBJO – The Meaning of ‘Origin’ in the Coloured Gemstone Trade
The origin of a coloured gemstone, meaning the geographic location from which it was sourced, has held significance in the coloured gemstone trade for many decades. By being able to claim that a ruby was from Burma, a sapphire from Kashmir and an emerald from Colombia, dealers typically were able...