we want 2 rings one is a guy promise ring with a white gold band with a 14k sapphire and 2 8k amethyst’s on each side of that. and for the girl promise ring it will also have a white gold band but with a 14k amethyst with 2 8k sapphires on each side of that. (if it matters both of the white gold bands will be 14k as well)
http://www.overstock.com/Jewelry-Watches/14k-White-Gold-Amethyst-and-Diamond-Ring/3072928/product.html
here is a picture of the set up for the girls ring

