silver-tone 14kt white gold/rhodium vermeil polished finish prong-set pear-cut 12ct laboratory-grown blue sapphire pavé-set laboratory-grown Paraiba tourmaline floral motif 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.