Comprising: a pair of earrings, each designed as an articulated line of square-shaped green tourmalines, mounted in white gold, signed Paolo Costagli, post and butterfly fittings, length approximately 60 mm; and a ring set with a cushion-shaped green tourmaline, between two square-shaped pink tourmalines, gallery and shoulders enhanced by brilliant-cut diamonds, mounted in white gold, signed Paolo Costagli, size 5¾.