Rare imperial topaz ring in yellow gold, minted 750, set in the centre with an untreated brownish pinkish orange imperial topaz measuring ca. 16.42 mm x 8.60 mm x 5.60 mm in a cushion cut. Weight approx. 6.82 g. Enclosed DSEF-Expertise. Ring set with an imperial topaz (no indication of heating) in brownish pinkish orange approx. 16,42 mm x 8,60 mm x 5,60 mm, in 18 k gold.