collet-set to the centre with a step-cut cushion-shaped tourmaline weighing approximately 7,50 carats accented by claw-set round brilliant-cut diamonds, to a hinged bale, length approximately 30mm; and a pair of tourmaline, diamond and gold earrings, each collet-set with a square cushion-shaped tourmaline weighing a total of approximately 2,50 carats embellished with round brilliant-cut diamonds, post and butterfly fittings, length approximately 17mm