Pendant set with fancy-cut boulder opal, c. 45 x 25 x 12 mm, 5 brilliants, totall. c. 0.10 ct, good colour and clarity, with 10-rowed hoop necklace, YG 18K and platinum (pendant setting), L: c. 43 cm, totLL: 43.7 g, 20th/21st century, necklace with signs of wear.