An 18k gold ring with a yellow sapphire

An 18k gold ring with a yellow sapphire Bi-colour yellow and white gold ring set with a large pale yellow Ceylon sapphire in old Ceylon-cut (ca. 5.89 ct, ca. 12.09 x 8.77 x 6.47 mm). Hallmarks: German fineness 750 with half-moon and crown, Cologne guild mark, maker's mark. The band with soldered sizing bars. 2 x 2.4 cm. Ring size 55. Weight 33.86 g. Wilhelm Nagel, Cologne, 1990s.

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Ringstorlek 17,5 mm (EU 55) · vikt 33,9 g