Jewelry 18k Silver Gold Plated Zircon Ring Poshmark gold Ring 18k setting with Natural zircon 2 cts : r Gemstones 18K Yellow Gold Zircon Ring Sana Jewellers 6.54 Carat Natural Zircon 18 Karat White Gold Diamond Ring For Sale at. Pieces: 1 piece Material: 18K Gold Plated,Copper,Zircon 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 (Measurements by inches) & Size Conversion Size Circumference 6 2. 1 7 2. 2 8 2. 3