This precious collection three-stone oval shaped green diamond engagement ring is stunning in any outfit. Engineered with 172 round diamonds weighing 1. 04 carats, 2 oval emeralds with a total weight of 0. 90 carats, and 1 oval emerald with a significant weight of 4. 03 carats in a glamorous design. Additional Information: 172 round diamonds weighing 1. 04 carats, 2 oval emeralds with a total weight of 0. 90 carats, and 1 oval emerald with a significant weight of 4. 03 carats.