gold-tone 18K yellow gold round brilliant-cut diamonds round brilliant-cut emeralds 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. Be sure to remove jewellery when applying scent and lotions and store separately from other pieces to avoid damage. Ensuring you keep your Astley Clarke piece beautiful for years to come.