1.70 Diamond & Emerald Ring in Platinum1. 70 Diamond Emerald Ring in Platinum. This unique ring features 2. 20 carats of diamonds and . 48 carats of emeralds finished in shimmering platinum. The center diamond is a 1. 70 carat emerald cut gem with tapered corners. The center diamond is near colorless and bezel set in platinum. The center stone is haloed by twenty eight (28) . 02 carat green emeralds. A final halo of thirty four (34) . 01 carat near colorless diamonds complete the head of