Elegant Emerald Engagement Ring. This unique design can be customized to fit a 0.50-1.00 carat Emerald center stone. The side diamonds include two trapezoids next to the center stone and round brilliant diamonds around the center and half way down the band which consists of 1.60 carat total weight. This ring offers a prong setting. It can be complemented in 14k Gold, 18k Gold or Platinum 950 setting.