The repeating concentric circle design forming the Evolve Stacking Ring symbolizes the cyclical process of constantly evolving to be our best selves. Each 14k gold concentric circle component centers on a vibrant emerald, creating a uniquely designed band that is both, textural and radiant. 14k gold. 0.3 tcw emerald. Also available in rose gold & white gold. Stone types & colors are easily customizable - contact us for a custom piece with your stone choice & for pricing. All Campbell + Charlotte pieces are made to order, by hand. Please allow 6-8 weeks for production & shipping.