An 18k gold granulation aquamarine ring

An 18k gold granulation aquamarine ring Raised droplet shaped bezel with foliate granulation and set with an oval aquamarine of ca. 2.69 ct (ca. 9.7 x 7.76 x 6.14 mm) and small brilliant-cut diamonds (in total ca. 0.15 ct, I/J, vs). Hallmarks: Fineness 750, maker's mark "PHM" (conjoined), Cologne guild mark. Bezel 3.3 x 1.8 cm. Ring size 54. Weight 15.20 g. Peter und Marianne Heyden, Cologne, presumably 1950s.

Kategori

Jewellery

Plats

Köln

Mått

Ringstorlek 17,2 mm (EU 54) · vikt 15,2 g