The Carmen Lúcia Ruby

The Carmen Lucia Ruby

At 23.10 carats, the Carmen Lúcia Ruby is the largest faceted ruby in the National Gem Collection and one of the finest large, faceted Burmese rubies known. Aside from its large size, this extraordinary gemstone displays a richly saturated homogenous red color, combined with an amazing degree of transparency. … [Read more...]

Largest Diamond Found in a Century May Fetch $70M

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The largest diamond found in a century may sell for more than $70 million at Sotheby’s. The 1109-carat rough “Lesedi La Rona” will be offered in a stand-alone auction in London on June 29, and will first go on show at Sotheby’s New York on May 7. The diamond … [Read more...]

Largest Faceted Sapphire Up For Sale

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The Guinness-certified world’s largest sapphire, weighing in at 31,308 cts is up for sale. The Ophir Collection of rare gemstones includes the Ophir Sapphire, which, at 31,308 carats, holds the distinction of being the world’s largest faceted sapphire. The collection consists of some 40 gemstones, the majority of which, … [Read more...]