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The original rough diamond was found in 1966 in the Premier Mine in South Africa, weighing 241 carats (48.2 g). Harry Winston cut it into the shape of a pear weighing 69.42 carats (13.884 g). [1] At the time of sale in 1969, the diamond was set in a platinum ring with two smaller diamonds on either side. [2]
The $10 million “Heavenly 70” Fantasy Bra designed by Mouawad was the second worn by Tyra Banks, and featured 2,900 diamonds set in 18 karat white gold (weighing 112 carats), and a 70-carat ...
The 'Unique Pink,' weighing 15.38 carats and mounted on a ring, sold to an Asian private collector bidding by telephone, the auction house said.
A diamond cut is a style or design guide used when shaping a diamond for polishing such as the brilliant cut. Cut refers to shape (pear, oval), and also the symmetry, proportioning and polish of a diamond. The cut of a diamond greatly affects a diamond's brilliance—a poorly-cut diamond is less luminous.
The Millennium Star is a diamond owned by De Beers. At 203.04 carats (40.608 g), it is the world's second-largest known top-color (grade D, i.e., colorless), internally and externally flawless, pear-shaped diamond. The diamond was discovered in the Mbuji-Mayi district of Zaire in 1990 in alluvial deposits; uncut, it was 777 carats (155.4 g). De ...
The diamond cut planning stage is a complex process that requires the cutter to work with unique rough stones. Very often, the location of the inclusions in a rough stone will determine the type of shape to which a diamond may be cut. For economic reasons, most diamonds are cut to retain weight instead of maximizing brilliance. [2]
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