Pieces: 1-piece Material: 18K gold-plated, 925 sterling silver Care instructions: Avoid wearing during exercise, as sweat will react with the jewelry to produce silver chloride and copper sulfide, which causes the jewelry to deteriorate and corrode over time. Imported Product measurements:6:Circumference 2.1 in7:Circumference 2.2 in8:Circumference 2.3 in9:Circumference 2.4 in Weight 0.07 oz (2.1 g) Fine Jewelry Gold Heart Ring With Gemstone, Gold Heart Ring With Gemstone In Fine Jewelry Style, Gold Sterling Silver Heart Ring For Valentine's Day, Pink Gold Sterling Silver Ring Gift, Gold Sterling Silver Heart Ring, Gold Gemstone Heart Ring For Promise, Adjustable Gold Heart Ring In Sterling Silver, Adjustable Gold Sterling Silver Heart Ring, Gold Sterling Silver Open Heart Ring