The Royal Blue Diamond

photo via M.S. Rau Antiques


Blue diamonds are among the rarest of the fancy colored gemstones, and two of them are expected to sell for tens of millions of dollars in the coming weeks. The first is the Royal Blue–a 10.6-carat cut-cornered, modified brilliant cut diamond that is just one step away from being classified as “internally flawless” by the Gemological Institute of America (GIA). The second, the Premier Blue, is a 7.59-carat round fancy vivid blue diamond that is both internally flawless and the largest round diamond of its kind to ever be graded by the GIA.

The Royal Blue is set in a platinum and rose gold ring and surrounded by vivid pink and white diamonds, and its asking price is $9.8 million (which is over $924,500 per carat). But even that pales in comparison to the Premier Blue, which is expected to be sold for around $19 million at Sotheby’s Hong Kong Magnificent Jewels and Jadeite sale in October.

Sell Your Unwanted Diamonds for Cash

Blue or not, you can sell your unwanted loose diamonds and diamond jewelry to Cash for Diamonds USA. We pay more than the competition, and we even pay for the shipping and insurance of your package. Our appraisals are performed by GIA appraisers, and your satisfaction is guaranteed—if you are not satisfied with our payment, just let us know within 10 business days and we’ll return your diamonds free of charge. Visit to get your free shipping label today.

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