gold-tone 14kt rose gold/18kt rose gold vermeil polished finish stud design prong-set heart-cut laboratory-grown 2.4ct ruby prong-set pear-cut laboratory-grown 1.6ct amethyst post-back fastening 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.