18k diamond bezel stud. Signature ruby located next to earring post. The item “Roberto Coin 18k Diamond Bezel Stud” is in sale since Sunday, September 26, 2021. This item is in the category “Jewelry & Watches\Fine Jewelry\Fine Earrings\Diamond”. The seller is “anziek21″ and is located in Tenafly, New Jersey. This item can be shipped to…