This Rosarium(tm) ring is designed by Esther Lee. It is a magnificent design that was conceived and formed by the designer herself. These Esther Lee creations Rosarium(tm) rings are used carved agate stone in both 14K and 18K white and yellow gold. This black stone never change its color. This unique Rosarium(tm) ring is inspired by the Glory of God and the beauty he instills in this world of ours. This ring is a perfect reminder of God's mercy and benevolence. There are 2 kind of plating available either 14K white gold and 18K yellow gold plating. When you order it, please be sure to choose which plating either white and yellow gold plating.