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Uncut size Cut size Location Ref Maharlika Star Ruby India: 10,820 carats (2,164 g) Philippines: Liberty Bell Ruby: Burma: 1976 [a] 8,500 carats (1,700 g) Stolen and still missing [2] Neelanjali Ruby: 1,370 carats (274 g) Prince of Burma: Burma: 1996 950 carats (190 g) Rosser Reeves Ruby: Sri Lanka: 138.7 carats (27.74 g) National Museum of ...
Size Cut Color Location Ref Star of Adam: Sri Lanka 2015 1,404.49 carats (280.898 g) Star Blue Anonymous owner [3] Black Star of Queensland: Australia 1938 733 carats (146.6 g) Star Black Anonymous owner [4] Star of India: Sri Lanka 563.4 carats (112.68 g) Star Blue-gray American Museum of Natural History, New York [5] Queen Marie of Romania ...
A 5.05-carat (1.010 g) Emerald-cut red diamond formerly known simply as "Red Diamond". This is the second-largest known red diamond. It was cut from a 35-carat (7.0 g) piece of boart discovered near Lichtenburg, South Africa. It reappeared in 2007 after a 37-year absence from sight, and was purchased by Kazanjian Brothers Inc. —
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 carat (ct) is a unit of mass equal to 200 mg (0.00705 oz; 0.00643 ozt), which is used for measuring gemstones and pearls. The current definition, sometimes known as the metric carat , was adopted in 1907 at the Fourth General Conference on Weights and Measures , [ 1 ] [ 2 ] and soon afterwards in many countries around the world.
Dousset attests to the staying power of round-cut diamonds, but says that oval shapes add a flattering, elongated look while maintaining the brilliancy of the round-cut diamond. Shop Oval Cuts ...