A very rare, 21.52-carat Colombian “no oil” emerald-and-diamond ring will lead Phillips' sale of jewels and jadeite in Hong Kong next month, with a presale estimate of between HK$7.5 million and ...
Several groundbreaking designers have come together to create a collection of one-of-a-kind jewelry containing prized Colombian emeralds. The capsule collection includes pieces from Aman Itomi, ...
In the high-end gem trade, certain origins are code words for excellence. When it comes to rubies, the locale of note is Mogok, a town in the Mandalay region of Myanmar. For sapphires, it’s Kashmir, ...
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