This is an amazing Edwardian platinum diamond ring. The approximate weight of the center ruby is 0.75ct. The approximate total weight of the two old mine cut diamonds is 1.60ct and the approximate total weight if the rest of the diamonds is 0.50ct. The color of the side diamonds is H-I and the clarity is VS1. The mounting has lovely engravings as well as open work design. The ring is size 4 1/2, but can be resized.