An 18 Karat Yellow Gold, Alexandrite and Diamond Ring, containing one octagonal step cut alexandrite weighing approximately 2.34 carats, 10 round brilliant cut diamonds weighing approximately 0.30 carat total and six tapered baguette cut diamonds weighing approximately 0.38 carat.Stamp: 18KT.Accompanied by a Gubelin Gem Lab alexandrite origin certificate number 0603726, dated March 16, 2006, stating Species: Natural Chrysoberyl, Variety: Alexandrite, Origin: Brazil, Comments: This gemstone displays a pronounced colour-change. 4.60 dwts.