blue spinach, blue spirulina and plankton Fruit Gems™ one paraiba tourmaline in 5.2cts 52 blue topaz total 2.5cts cushion-cut emerald pavé-set crystals enamel detailing gold-tone hardware tapered band prong setting 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.