The cabochon-cut sapphire weighing 104 carats was acquired by the Queen’s ancestors in the 14th century. While the history of its acquisition is quite muddled it was probably unearthed in Asia.
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Various colors of heated Missouri River sapphires, ranging from 0.16 to 1.65 ct. Courtesy of American Sapphire Company
Dimensions – 9 mm Depth – 6.72 mm