Roberto Coin white gold blue topaz briolette diamond earrings. The item "Roberto Coin 18K Diamond & Blue Topaz Drop Earrings" is in sale since Wednesday, December 28, 2016. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Earrings\Diamond". The seller is "akenigma20" and is located in Carle Place, NY. This item can be shipped to United States.