Appearance Black sapphire s are found in the form of star sapphire s. These dark six-rayed stars are very attractive. These can be confused with star diopside which only have a four-rayed star. More information on gemstone enhancements. Heated to improve color.
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Actual carat weight may vary from the average carat weight listed. AA Black, medium dome, excellent star, good polish, good cut. All rights reserved.