The emerald with a weight of approx. 5.17 carats are surrounded by (6) round cut and (6) marquise cut genuine natural diamonds, (12) round-cut genuine natural diamonds placed on either side of the ring. All G-H color, and VS clarity forming a dazzling oval halo, The top of this piece measures 17 mm x 22 mm, 10 mm (height). currently US ring size 4.75 and sizable.