18kt White Gold Blue Sapphire and Diamond Stud Earrings.18kt white gold Blue Sapphire and diamond stud cluster earrings. These earrings feature 2 x 0 66 total carat weight of round Blue Sapphires and Brilliant cut diamonds. These earrings feature 20 x 0. 21 total carat weight of Brilliant cut diamonds of (SI) in clarity and (G H) in colour. Post and butterfly closure. New unworn Accompanied by a Van Rijk appraisal certificate