Gold Platinum Sapphires and Diamonds French Art Deco Ring

One lovely ring, the front part is made circa 1930, Art Deco Era.

Made in platinum and white gold 18k. The diamonds weights 1 carat total approximately, the central one weight 0.45 approximately.

The diameter of the ring measures 13mm.

Ring size is 53 or 6.5 USA.

The weight is 3.90 grams.