10-Karat Gold Gemstone(S): Rainbow Moonstone = Approximately 4.60 Ct. Tw. Earrings Drop Approximately 0.55In Please Note: For Earring Pairs, Ct. Tw. Refers To The Total Carat Weight Of All Diamonds And/Or Gemstones For Both Earrings Combined. Ear Wire Backs It Is Customary To Treat Most Gemstones To Achieve Enhanced Color And Durability. Some Of These Treatments May Not Be Permanent, And May Require Special Care. Metal Weight: 0.56 Grams