An 18k gold emerald and diamond ring

An 18k gold emerald and diamond ring Oval bezel with a ying yang motif set with two old-cut diamonds (in total ca. 0.30 ct, J/K, p) and 20 small emerald carrés. Hallmarks: Fineness 750, maker's mark "PHM" (conjoined). The emeralds partially chipped. Bezel 2 x 1.7 cm. Ring size 56. Weight 12.46 g. Peter und Marianne Heyden, Cologne, presumably 1950s.

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Ringstorlek 17,8 mm (EU 56) · vikt 12,5 g