Emerald and Diamond Three Stone Engagement Ring For Svetlana by Cynthia Britt. This beautiful ring features a 1.79 carat cushion cut emerald at the center, flanked by a pair of step cut trapezoid diamonds with a total weight of 0.25 carats. The three stones are set in warm 18 karat yellow gold, complemented by a beautifully hand engraved band. The combination of the vivid emerald, geometric diamond accents, and hand engraved details gives this three stone ring a timeless yet distinctive character. For inquiries on the center stone and to order your own custom made three stone engagement ring, please contact Cynthia directly.