gold Ring 18k setting with Natural zircon 2 cts : r Gemstones 6.54 Carat Natural Zircon 18 Karat White Gold Diamond Ring For Sale 1.80 Carat Natural Zircon 18 Karat Yellow Gold Ring For Sale at 1stDibs 6.54 Carat Natural Zircon 18 Karat White Gold Diamond Ring For Sale at Jewelry 18k White Gold Plated Zircon Ring Poshmark. 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