Lot 630 D α

A German 18k gold granulation ruby and diamond ring.

The oval bezel with granulation decor and a large cushion-cut ruby (c. 0.99 ct; c. 4.88 x 4.83 x 4.48 mm) flanked by two small brilliant-cut diamonds (in total c. 0.30 ct, H/I, vs). Hallmarks: Fineness 750, maker's mark, Cologne municipal coat-of-arms, half moon and crown. Bezel 2.0 x 2.4 cm. Ring size 56. Weight 29.69 g.
Wilhelm Nagel, Wesseling, c. 1990.