rhodium vermeil pear-cut laboratory-grown green tourmaline totalling 1.8 carats laboratory-grown paraiba tourmaline laboratory-grown aquamarine laboratory-grown royal blue and cornflower blue sapphire laboratory-grown blue spinel aluminium petals handcrafted floral motif 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.
