HOW TO USE
If you click on the big circle to the left, it will open a sidebar menu.
Here you can change skin tone and diamond measurement.
Click on the diamond shape to the right of the diamond app to select the different type of diamond.
Once selected it will change the diamond shape on the hand.
You can easily change the diamond size by selecting the diamond with your cursor or finger if your using a handheld device.
This will change the diamond on the hand.
You can zoom in and out of the hand by using the + and – signs on the bottom left of the app.