18kt white gold Windsor diamond stud earrings from Pragnell featuring 18kt white gold, claw/prong setting, cushion cut diamonds, G-H/SI1 diamond colour and clarity, butterfly fastening and for pierced ears. These earrings come as a pair.. Normal everyday use and external agents may reduce the lustre of gemstones and gold surfaces. To maintain, use specific, non-abrasive products specially meant for cleaning jewellery..