4.25CT Genuine Near-Flawless Columbian Emerald W/0.80CTW Trillion-Cut VVS/G Diamond Accents in Solid 18K Yellow & White Gold 10mm Band - This Emerald and the Diamonds are investment quality and the piece was made prior to the United States cutting off Emerald importations from Columbia. You simply do not see Emeralds of this quality and size anymore, as very few exist. This ring is a modern masterpiece. Ring size: 6. (18.7 grams)