Mounting by Cartier Platinum and Diamond Dome Ring Centering one collet-set old European-cut diamond ap. 1.95 cts., flanked by 2 round diamonds ap. .40 ct., within a pierced mount of round, old-mine and old-mine single-cut diamonds, accented by crossed bands of 24 baguette and fancy-shaped diamonds, totaling ap. 3.80 cts., signed Cartier Mtg, no. 55-56433, circa 1940, ap. 13.2 dwts. Size 7 1/4. C Estate of Lee Freund