A Collection of 14 Karat Yellow Gold, Opal, and Diamond Rings, consisting of a ring containing one oval cabochon cut opal measuring approximately 12.40 x 9.35 and six round brilliant cut diamonds weighing approximately 0.24 carat total together with a ring containing two round cabochon cut opals measuring approximately 6.59 mm in diameter.Stamp: 14K COL.Stamp: (maker's mark) 14K. 2.80 dwts.