18K yellow gold, stamped and 14K and 9K gold, tested. Austrian Hallmarks from after 188, Jeweller's marks SB. 1 large rose-cut pear-shaped diamond of circa 9.6 x 8 mm, CA (P), P2. 23 diamonds in various old-cuts, altogether circa 0.60 carats. Black enamel. The large diamond has a minor nick, one stone is missing, a few of the stones have some minor nicks, the enamel also has minor nicks. Brooch with rose-cut diamond: circa 2.9 x 1.2 cm, round brooch: diameter circa 2 cm. Ring size: each circa EU 54, UK N 1/2, US 7. Altogether circa 16.3 g. The brooch with the large rose-cut diamond was originally a pendant.