An 18 Karat Yellow Gold, Emerald and Diamond Ring, containing one octagonal step cut emerald weighing approximately 1.65 carats and 50 round brilliant cut diamonds weighing approximately 0.40 carat total.Stamp: 18K.Accompanied by an American Gemological Laboratories gemstone certificate number CS 58179, dated December 4, 2013, stating Mineral Type: Natural Beryl, Variety: Emerald, Provenance: Brazil, Enhancement: Minor to Moderate. 7.30 dwts.