by SuperJeweler
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4mm Round Sapphire Stud Earrings crafted in Sterling Silver .60ct tgwSapphire, a member of the corundum family of gemstones, is generally blue in color, from cornflower blue Ceylon sapphires, to dark blue Australian sapphires, to right royal blue Burmese sapphires, and everything in between. The most common treatment for the enhancement of color is heat treating. In the heat treating process, rough un-cut sapphires are heated to 1700-1800 degrees Celsius, which improves both color and clarity. All sapphires that SuperJeweler sells are heat treated for the enhancement of blue color and clarity.
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