JEWELRY. Art Deco Platinum Diamond and Gem

Ring. Art Deco platinum ring displaying a central panel of (3) Old European diamonds, (14) round faceted diamonds, and (4) fancy cut blue gems, presumably sapphires. (3) larger diamonds measure approx. 3.5mm. Stamped, "Platinum". Total approx. weight of the ring is 4.2 dwt (gross). Ring size - 7 1/2. From a Long Island, NY estate. Dimensions: ring face measures approx. 0.75" w x 1.18" h.
Condition Report: Good, with light surface scratches and minor dings/dents. No definitive statement is being made as to whether colored gems are natural, synthetic or treated. Please examine the provided photos to thoroughly evaluate each piece.