An aquamarine, tourmaline and diamond brooch, of geometric design, centring on a cushion-shaped aquamarine framed by circular-cut garnets and brilliant-cut diamonds and a pair of step-cut green tourmalines, 7.5cm x 2.5cm

An aquamarine, tourmaline and diamond brooch, of geometric design, centring on a cushion-shaped aquamarine framed by circular-cut garnets and brilliant-cut diamonds and a pair of step-cut green tourmalines, 7.5cm x 2.5cm
Good condition, unmarked, gross weight 40.9 grams, minor abrasions commensurate with use, brooch pin secure with safety catch, aquamarine 16.7 x 14.3 x 7.9 = 13.37 carats, pale blue to colourless, good clarity with one small crystal inclusion visible to the centre with the eye, diamonds bright and lively, approximately 0.80 carats in total.