Roberto Coin 18K Yellow Gold Diamond Hoop Earrings. The earrings are in good condition and good quality. The item "Roberto Coin 18K Yellow Gold Diamond Hoop Earrings" is in sale since Thursday, October 15, 2020. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Earrings\Diamond". The seller is "greenhillsdiamondbrokers" and is located in Nashville, Tennessee.