A FINE DIAMOND DRESS RING, BY GRAFFDesigned as a butterfly, centring a marquise-cut diamond, the wings pavé-set with round brilliant-cut diamonds, mounted in 18K gold, diamonds 2.02ctstotal, signed Graff, numbered, with maker's box and pouch, length 1.8cm, width 2.2cmAccompanied with its certificate by Graff in Monte-Carlo, dated September 10th 2013