551 A stunning Italian Art Deco bracelet, 18ct yellow gold, onyx, diamond, ruby, emerald and Ceylon and Australian sapphires, approximately 3.1ct of brilliant cut diamonds, 137 grams total, [Diamond & Gemstone Bourse (Aust.) insurance valuation $54,000] $15,000–25,000 552 A spectacular pair of Art Deco pendant earrings, 18ct white gold with two impressive emeralds approximately 23.7ct and adorned with baguette and brilliant cut diamonds, stamped “CASTELLANI” , [Diamond & Gemstone Bourse (Aust.) insurance valuation $178,500] $60,000–80,000 551 552 100