An 18 Karat Yellow Gold and Jadeite Ring, Gump's, containing one oval cabochon cut jadeite jade measuring approximately 19.69 x 14.87 x 8.59 mm.Stamp: 18K TSL.Accompanied by a Gemological Institute of America jade identification certificate number 2171341879, dated October 16, 2015, stating Species: Jadeite Jade, Color: Green, Transparency: Translucent, Treatment: Natural Color, no indications of impregnation. 11.00 dwts.