1.25 Carat Diamond Spiral Ball Ring in Platinum

Ring spiral-mounted ball in paltinium (hallmark: dog's head), the center of which is adorned with a diamond weighing 1.25 Ct. diamond accompanied by a gemological report from the LFG (Laboratoire Français de Gemmologie) specifying: color M, purity SI2, no fluorescence. French work, circa 1940, unidentified Master's hallmark. Gross weight: 11.20gDesign width: 1.80 cm   SizeSize: 45 1/2 (diameter 14.25 / US 3.25).Can be cut to size. Condition: Very slight micro-scratches on the parts. paltinium, opening on back of ring, see photos.   It was in the midst of the industrial boom in Paris that the modernist movement movement. Its hallmarks are clean, modern shapes inspired by the world of mechanics. All our antique rings.