7 Balance Scale Weights For Diamond Scales. This is a new set of 7 balance scale weights. Great for diamond scales. You receive: One 1 carat weight. Two 2 carat weights. One 5 carat weight. Two 10 carat weight. One 25 carat weight. We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.