silver-tone 14kt white gold/rhodium vermeil polished finish drop design prong-set pear-cut 22.5ct laboratory-grown Paraiba tourmaline prong-set and bezel-set laboratory-grown white diamonds totalling 7.8ct prong-set and bezel-set marquise-cut and round-cut laboratory-grown blue topaz totalling 2.7ct 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.