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The majority of mined diamonds fall between white and pale yellow or brown; what is known as the normal color range. Diamonds of more intense color (usually yellow, but in some cases red, green or blue) are termed fancy color diamonds. Black diamonds are also fancy color diamonds. All other factors being equal, the most valuable diamonds are ...
The Moussaieff Red Diamond (formerly known as the Red Shield Diamond) is a diamond measuring 5.11 carats (1.022 g) with a triangular brilliant cut (sometimes called a trillion or a trilliant cut), rated in color as Fancy Red by the Gemological Institute of America. It is the world's largest known red diamond, the rarest of all diamond colors.
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The Rock is a 228.31-carat white diamond which has been graded by the Gemological Institute of America. It has G color, VS1 clarity. [1] The color of white diamonds can range from D to Z: D-color is the highest grade for white diamonds, and it is the rarest and most expensive. The Rock is G-color, which is the fourth whitest level of white ...
Discovered in 2015, it is the 5th largest diamond ever discovered at the Crater of Diamonds State Park, Arkansas Identified as a Type IIa crystal, the 8.52 carat diamond was cut and polished by Mike Botha into a custom-designed 4.605 carat Triolette shape during a week long event in North Little Rock and was graded a D IF, 0 Polish & 0 Symmetry ...
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Login valued the diamond at 63,000 rupees, the equivalent of £6,000 in 1840 which would convert to more than £100 million in 2012. [2] Jewelry associated with the diamond were eleven pearls, eleven additional diamonds, and eleven garnets (known locally as choonee). [2] The total weight was 10.8 tolas in the local weight measurement system. [2]
Aurora Gems was founded by Harry Rodman (1909–2008) a gold refiner from the Bronx, and Alan Bronstein, a diamond dealer from New Jersey, who began collecting colored diamonds in 1979. The original 260-gem collection was on public display at the American Museum of Natural History in New York City from 1989 to 2005 in the Morgan Hall of Gems.