This exquisite estate ring, crafted in 18k yellow gold, features a stunning 3.54-carat oval cabochon white opal with vibrant multicolor flashes and eye-clean clarity. Measuring 10.80mm across the top and delicately tapering to a 2.50mm band, this vintage piece from the 1960s–1970s embodies timeless elegance. Sized at 5.25 and made in Italy, it can be resized to ensure a perfect fit. Weighing 4.12 dwt, this prong-set opal ring is a refined treasure for collectors and connoisseurs alike.