0.50 Carat (ctw) Sterling Silver Black Round Diamond Screwback Bezel Set Stud Earrings 1/2 CT Crafted in Sterling silver Diamond Color / Clarity : Black / Opaque Weighs approximately 3.57 grams Diamond Weight : 0.50 ct tw.. Gemstone : Diamond Dazzlingrock 90 Day Warranty - We stand behind our products. If you lose an accent stone or your setting is damaged during NORMAL wear, we will fix it for FREE. Please read our About us page for more info