The Quality of this Solid Sterling Silver Ring is Absolutely Perfect. The Black Onyx at the center is genuine Stone w/ good polish and no chips. The Cubic Zirconia Stones are excellent quality and are set as well as any diamond. And It's all Perfectly hand-polished with no nickel plating to hide any imperfections or to cause allergies, and we didn't skimp on the silver either. Sizes are available from 8 to 13.