This is a handy palm guide for people who is going to buy diamond jewelries. The guide introduces the weight unit of diamond, and also gives a basic grading scales of diamond color, clarity and cut quality. It also gives you a short description of some famous diamond jewellery sellers. No long time reading and you can then keep your confidence before shopping.
||Compatible with iPod Touch (3rd generation or later, iPhone 3Gs, iPhone 4, iPad. iTunes account required.