1.5 ct center diamond with .66 cttw side diamonds

This is an old classic engagement ring with the round center diamond flanked by two smaller round diamonds of G-I color and SI clarity. As the size of the center diamond increases so does the size of the side diamonds, graduating from .15 ct each for a 1/2 ct center diamond to .75 ct each for a 3 ct diamond. 

It is available in 14k white or yellow gold, 18k yellow gold and platinum in a stock size 7 that can be resized easily.