Paolo Costagli, pair of turquoise, garnet and diamond earrings, each designed as an oval faceted turquoise cabochon suspending a trilliant-cut pinkish / red garnet and a similar larger turquoise cabochon, estimated total diamond weight 0.91 carats, signed Costagli, mounted in 18 carat, weight 12gm, length 4.50 cm.