18kt white gold and rhodium vermeil polished finish cocktail ring hand-set with laboratory-grown and created gemstones custom-cut central elongated blue spinel of 18 carats pavé-set blue spinels paraiba tourmalines simulated white diamonds cultured freshwater pearls All products are handcrafted. 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.