A gem-set dress ring, claw-set with an oval glass-filled ruby high domed cabochon of 7.0 x 6.0 x 5.7 mm, further adorned by six marquise-cut diamonds, rows of brilliant-cut and calibré-cut diamonds in channel setting, leading to a tapering flat shank in yellow metal stamped '750', ring head 1.8 x 1.6 cm, size M, 6.1 grams.