18kt rose gold Istanbul Star sapphire and diamond earring from SELIM MOUZANNAR featuring 18kt rose gold, star pendant, blue sapphire, white diamond, polished finish, post-back fastening and for pierced ears. Please consider that this is sold as a single earring.. 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..