A listing in the Guinness Book of World Records was followed by a years-long battle over ownership of the Ophir Collection. It’s possible there’s a curse attached to the Ophir Collection, a trove of ...
Gemstones are valued based on the Four Cs - color, clarity, cut, and carat. Precious stones include diamonds, sapphires, rubies, and emeralds. Semi-precious stones are evaluated on their rarity and ...
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