Simply stunning on this 14K White Gold Emerald Cut Aquamarine Engagement Ring. Large 13.75 Carat Octagonal cut aquamarine set in 14K white gold. Step Cut. Color Greenish Blue. Stone measures 14.85 x 14.06 x 9.37 Per GIA report. The ring is a size 6.5 and can be sized by us or your jeweler. GIA REPORT #2195110858.