French Art Deco Diamond Platinum Plaque Ring with Modified Baroness Cut Diamond

This rather beautiful Art Deco ring was made in France likely in the 1930s and features Old European cut and rose cut diamonds all set in a handmade platinum mount. The central diamond in the ring is a millegrain set Old European cut stone of G colour and VS clarity weighing an approximate 0.70 carat. Flanking this central stone are two further Old European cut diamonds which each weigh 0.15 carat and are each of G colour and SI clarity. The balance of the diamonds in the ring are rose cut stones which are each of G colour and SI clarity, and combined with the three larger stones have a weight of 1.14 carat. The back of the rear of the shank is hallmarked with a French platinum purity mark and a rubbed, unidentified makers mark. Marked - French platinum mark...

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Finely detailed vintage Art Deco emerald & diamond ring (circa 1920s to 1930s) crafted in platinum. Center set old European cut diamond is e...