A stylish 1940's Oscar Heyman Columbian emerald and diamond dress ring set in platinum. With a graduating line of calibre cut channel set Columbian emeralds running down the middle of the ring, flanked by two lines of collet set transitional round brilliant cut diamonds running off the shank. Columbian emerald weight: 1.31cts. Total diamond weight: 0.50cts. Assessed diamond colour: G. Assessed diamond clarity: VVS-VS.