This exquisite mid-20th-century ring showcases an oval-shaped Australian natural white opal weighing 2.34 carats, surrounded by a dazzling 1.0 carat total weight of diamonds and complemented by 1.50 carats of marquise-cut sapphires. Set in elegant 18K white gold, this ring weighs a substantial 11.43 grams. The unique combination of opal, sapphire, and diamond in a cluster setting makes it a truly captivating and elegant piece of vintage jewellery.