This lovely solitaire ring is made of fine sterling silver, plated with rhodium, and stamped with a "925" quality mark. The striking ruby color, 4-prong set, round cut AAA grade cubic zirconia stone measures about 7mm and weighs 1.28 carat. Band measures about 1.8mm. This ring is nickel free and hypoallergenic. Brand: BERRICLE Design: Birthstone & Zodiac Style: Promise Occasion: Valentine's Day Resizable: No Adjustable: No Size/Dimensions: 6 Metal Stamp: .925 Sterling Silver