Cartier (attr.) “Bombe” cocktail ring set with a emerald-cut aquamarine (approx. 6 carats TW) 26 round-cut diamonds, 18 baguette diamonds and two triangle-cut diamonds (approx. 6.5 carats TW) all in an elaborate platinum mounting with open platinum wire details, Marked: French “Mask” platinum guarantee mark for remarking old production pieces, c.1950
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