AN EARLY 20TH CENTURY AMETHYST AND DIAMOND DRESS... Lot 33 AN EARLY 20TH CENTURY AMETHYST AND DIAMOND DRESS RINGThe elongated bombé plaque, centrally set with

AN EARLY 20TH CENTURY AMETHYST AND DIAMOND DRESS RINGThe elongated bombé plaque, centrally set with three circular-cut amethysts within collet-setting, to an openwork brilliant-cut diamond surround, the gallery with floral openwork decorations, within millegrain setting throughout, mounted in gold, diamonds approximately 0.50ct total, ring size H (the hoop consists of a mechanism which opens, see catalogue's illustration)