9kt gold topaz and pink sapphire hoop earrings from YVONNE LÉON featuring 9kt white gold, 9kt yellow gold, topaz, pink sapphire, clicker hoop design 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..