925 sterling silver round drop oval crown shape moonstone stud earring 925 Sterling Silver Moonstone Stud Earrings Sterling Silver Moonstone Stud Earrings Moonstone Jewellery UK Moonstone Jewelry: Real & Genuine Gemstone YoTreasure. Pieces: 1 pair Includes: A matching box. Material: Moonstone,Platinum Plated,925 sterling silver,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 Actual Length onesize 0. 5