A Koch Art Deco Diamond & Ruby Pin/Pendant in Platinum

c. 1920s, platinum and 14K yellow gold brooch/pendant by Koch, Frankfurt am Main, Germany, featuring a dangling marquise cut diamond approx. 0.36 ct. with an average color grade of K - L and an average clarity of VS bezel set, framed by step cut rubies weighing approx. 0.73 ct. channel set in 14K yellow gold, with a conforming square lacework border with round diamonds weighing approx. 0.68 ctw bead and bezel set with milgrain details, double loops on reverse, 14K yellow gold pin with trombone closure, signed, 1 1/4 in x 1/4 in., 5.7 grams

Schätzpreis:€445.58

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