This Lovely Platinum 3/8 ct tw Diamond Engagement Ring Semi Mounting includes side diamonds that are GH in color and SI1-2 in clarity. The center diamond and head is sold separately. It's shown with a 1 ct (6.5 mm) round center diamond and comes set with 6- 2x2 mm princess side diamonds. Please call or email to get a quote for a different size, metal, stone etc.