silver-tone rhodium plating citrine amethyst stone pink sapphire emerald spinel orange sapphire laboratory-grown diamonds freshwater pearls polished effect chunky band butterfly motif pearl detailing pavé setting claw/prong setting oval-cut orange citrine totalling 15.44 carats 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.