This beautiful engagement ring features a 6X8mm oval cut beautiful lab grown alexandrite surrounded by natural diamonds .color-change stone in 14k/18k gold ,Nadia style,Marquise Ring details- -Center Stone is a 6x8mm oval Cut Lab Treated Alexandrite. -Alexandrite Color: Blue/Purple (Occasional Hints of Green) -weight:approx 1.2 ct -Material :Solid 14k/18k Rose, Yellow or White Gold/Platinum. -Halo surrounding the stones are Natural Confilict Free Diamonds.,Approx 0.12ct. -Band Width: approx1.3mm--1.4mm (Bottom)