All colors of corundum other than red or white are called Sapphire The red color in ruby is caused by trace amounts of the element chromium. The best shade of red for ruby is often given the name "pigeon blood red", but ruby can be any shade of red up to almost pink.
The Hixon Ruby Crystal is a 196.10-carat gem that was donated to the Natural History Museum of Los Angeles in 1978 by Frederick C. Hixon. It is considered to be one of the most perfect large ruby crystals in the world.
Known variously as the Alan Caplan Ruby or the Mogok Ruby, this 15.97-carat untreated Burmese stone was sold by Sotheby's of New York in October 18th, 1988 for $3,630,000; a whopping $227,301 per carat. It was purchased by Graff of London, who reportedly sold it to the Sultan of Brunei as an engagement ring for one of his wives.
Weighing 138.7 carats, the Rosser Reeves Ruby is one of the world's largest and finest star rubies. This Sri Lankan stone is renowned for its great color and well-defined star pattern. Advertising mogul Rosser Reeves, who donated the piece to the Smithsonian in 1965, carried it around as a lucky stone, referring to it as his baby. He often stated that he had acquired the stone at an auction in Istanbul in the mid-1950s. He actually bought the stone from Robert C. Nelson Jr. of New York who was acting on behalf of Firestone & Parson of Boston. Firestone & Parson were selling the stone for Mr. Paul Fisher of New York. Mr. Robert Fisher, Paul's father, had bought the ruby at an auction in London in 1953. At the time the ruby then weighed just over 140 carats, but was very heavily scratched, and a few carats were removed in the repolishing. The repolishing also helped to center the stone's star. Articles in the New York World-Telegram and The Sun in 1953 mentioned this fabulous gemstone.
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Thanks for posting many of her most beautiful pieces in one place for all of us to gawk at. Simply stunning!
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