This is an sterling silver emerald-cut halo engagement ring. This style is characterized by a central rectangular cz with step-cut facets, surrounded by a border (halo) of smaller cz and typically set on a sparkling pavé band. Product DetailsRing of this design is available in silver from affordable jewelry to high-end luxury piece Center Stone: Emerald cut CZ Materials: Common metal is 925 sterling silver with rhodium plating . Gemstone Types :Available as lab-grown diamonds, with Cubic Zirconia (CZ). Design Features:Halo Setting: A ring of small CZ surrounding the center stone to make it appear larger and brighter.Pavé Band: A "slim pavé band" featuring small, closely set cz along the shank for added brilliance.