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This later estimate was acknowledged by insiders as a "low-ball estimate," however. [1] The sapphire's value was later upped by Rahul Kadakia, senior vice president and head of jewelry at Christie's America, to approximately $1 million. [5] [3] It was sold as Lot No. 261, and the auctioneer was François Curiel.
Sapphires are a precious gemstone, a variety of the mineral corundum, consisting of aluminum oxide (α-Al 2 O 3) with trace amounts of elements such as iron, titanium, chromium, copper, or magnesium. It is typically blue, but natural "fancy" sapphires also occur in yellow, purple, orange, and green colors; "parti sapphires" show two or more colors.
The 182-carat Star of Bombay, mined in Sri Lanka and located in the National Museum of Natural History in Washington, D.C., is another example of a large blue star sapphire. The value of a star sapphire depends not only on the weight of the stone, but also the body color, visibility, and intensity of the asterism.
“The value of a gold medal depends on the current market prices of silver and gold,” Stone explained. “Presently, 1 gram of gold is valued at $74.94, while 1 gram of silver is priced at $0.73.
A bezel set sapphire. The earliest known technique of attaching stones to jewelry was bezel setting. A bezel is a strip of metal bent into the shape and size of the stone and then soldered to the piece of jewelry. The stone is then inserted into the bezel, and the metal edge of the bezel pressed over the edge of the stone, holding it in place.
Mogul Mughal Emerald, 217.80 carats cut; mined in Colombia and cut in the Mughal empire in Hijri year 1107 (1695–1696), resides in the Museum of Islamic Art, Doha, Qatar [7] [8] Patricia Emerald, [9] 632 carats uncut, dihexagonal (12 sided); discovered in Colombia in 1920, resides in the American Museum of Natural History, New York, NY, US
Citrine “A powerful gemstone crystal in a range of deep yellows, oranges, and yellow-cream-white, the citrine gemstone is said to bring abundance and wealth into one’s life,” Salzer says.
The Millennium Sapphire was showcased at the 2002 Academy Awards, [5] and in 2004 it made an appearance in Seattle at the launch of Princess Cruises' ship, The Sapphire Princess. [6] In 2020, Art Appraiser Pascal Butel, M.S. INALCO appraised the fair market value of the Millennium Sapphire at USD 100,000,000 – USD 150,000,000. [7]
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