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The diamond was named "Uncle Sam" after the nickname of its finder, Wesley Oley Basham, a worker at the Arkansas Diamond Corporation. [1] [2] [3] The rough diamond as originally discovered weighed 40.23 carats (8.046 g). It was faceted twice by Schenck & Van Haelen of New York, which specialized in Arkansas diamonds, handling over 14,000.
Diamond Name Image Weight (carat) Weight (gram) Color Finder Notes 1917 Canary: 17.86 3.572 canary yellow Lee J. Wagner of the Arkansas Diamond Company Donated in 1926 to the National Museum of Natural History by the heirs of Washington Roebling [7] [8] [9] 1924 Uncle Sam: 40.23 8.046 Wesley Oley Basham
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. —
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In 1996 the largest diamond found at the mine was discovered. Named the "Colorado Diamond," it was a 28.3-carat (5.66 g) yellow stone and the fifth-largest diamond found in North America. The gem was cut and polished by legendary New York diamond cutter Bill Goldberg which yielded a 5.39-carat (1.078 g) faceted stone that sold for $87,500. [5] [16]
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Image credits: VastCoconut2609 Cognitively, pessimistic headlines and stories reinforce our negativity bias, which, according to Ruiz-McPherson, "can lead to maladaptive thought patterns ...
Several ruby-set pieces were included in the sale, notably a ring set with an 8.24 ct gem that broke the 'price-per-carat' record for rubies (US$512,925 per carat – i.e., over US$4.2 million in total), [37] and a necklace [38] that sold for over US$3.7 million. The Liberty Bell Ruby is the largest mined ruby in the world. It was stolen in a ...