A GEM-SET 'ALLEGRA' RING, BY BULGARISet with three articulating rows of brilliant-cut diamond links, highlighted with step-cut citrine, an oval-shaped tourmaline, a cabochon blue topaz and a cabochon peridot, mounted in 18K gold, diamonds approximately 0.70cts total, signed Bvlgari, Italian assay marks, ring size Q, maker's case