What a great ring with the halo and then the satin accent too! Made from 18 kt white gold, the double four prong crown will hold a 6-6.5 mm round diamond or gemstone. 30 bright set round brilliant cut diamonds, equaling 0.31 total carats make up the halo and extend down the shoulders half way. Size 6.5
This ring is considered a semi-mount, where everything is included but the center has a cubic zirconia as a place holder for visualization purposes, or nothing at all. It is presumed you will be replacing it with a diamond or gemstone.
https://www.americangemsociety.org/4cs-of-diamonds
This item is rhodium plated, a member of the platinum family.