Round Lemon Quartz, Blue Sapphire, and Topaz Sterling Silver Ring(Sizes 6,7,8,9,10) 12mm Lemon Quartz, Accent Blue Sapphires, Amethysts, Blue and White Topaz Ring Stands 7/16" Up Off the Finger 9/16" (14mm) Wide in the Center Weight is About 6.4 Grams Marked 925