Stunning 925 sterling silver engagement ring – Hypollergernic.1/2 Half a carat Round Center Stone Cubic Zirconia 5mm. Width: 3mm Solid Sterling Silver Engagement Ring Band width. 6 prong HandsetFANTOM Yes It's Sterling Solid 925 Sterling Silver Solitaire Round Cz Cubic Zirconia Engagement Ring 1.50 Carat Total Weight (9)