There is nothing like a piece of jewelry that is bold yet subtle in beauty. Emily and Ashley's Cabachon Aventurine Stone Necklace definitely fits in that category. Accented with a 14k yellow gold star and multicolored semiprecious gemstones, this necklace has a whimsical yet elegant feel to it. The aventurine stone measure at 1 1/2" long and the total length of the necklace is 16". Price $713.