Extremely Fine, Rare Gemstones for Collectors and Investors
What’s common among the Cullinan, Dom Pedro, Black Prince and Star of Asia? These are the names of some of the most famous rare gemstones renowned for their size and…
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rare gemstones
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A Guide To Color Change & Bi-color Sapphires
When it comes to choosing a sapphire, most people have only two check-boxes on their list: a deep blue color and authenticity. And rightly so, because over the years the…
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