A fine Paraiba tourmaline and diamond ring, of cluster design, centring a claw-set round brilliant-cut Paraiba tourmaline weighing 1.54 carats, framed by brilliant-cut diamonds, to shoulders pave-set with diamonds, the small diamonds together weighing approximately 1.90 carats, mounted in platinum, size P1/2. Accompanied by a GIA report numbered 7348316468, dated 6 January 2020, stating that the 1.54 carat blue-green tourmaline is of Brazil origin.