This ring has an approximate 3/4ct cushion shaped rose cut diamond that is near colorless G-H and VSS-VS clarity and Colombian emeralds, mounted entirely on platinum with diamond side accents. 

The particular ring on these photos measured 11.5mm by 10mm, keep in mind exact measurement will vary slightly depending on the size of your center. 

This ring can also be made using sapphires or rubies, and different shaped center diamond. Contact me for a custom quote.