Vintage Cartier 18k Yellow Gold Ring

Cartier, New York 1970s. Persian turquoise 20.81 x 10.21 x 6.90 mm, 18 karat yellow gold, diamonds, emeralds and sapphires.Top measures 1 x 1/2 x 1/2 inch. Size 6.75-7. Weight 19.1 grams. Cartier maker’s mark, place of manufacture, a serial number and a hallmark for 18 karat gold.