ART DECO RING In platinum, set with a sapphire cabochon weighing 32.50 cts, the shoulder with scrolls set with diamonds and punctuated with baguette-cut diamonds. French work, circa 1930. A diamond and platinum Art Deco ring set with a sapphire cabochon weighing 32.50 cts. Circa 1930. C.G.L. certificate stating: origin Ceylon (Sri Lanka), natural colour, no heat modification. RC : Stone dimensions: 18.35 x 14.77 x 11.50 mm. TDD: 50; US: 5 1/2 (changeable). Gross weight: 18.4 g (18k - 750).