设计=钻石圆形
细节 = 34 种尺寸（1/200 至 3 克拉）的圆形明亮式切割钻石。直径基于常见切割，并四舍五入到小数点后一位。
By using these jewelry templates, design drawings can be done easily and quickly. There are various basic gemstone shapes and ring designs available. Even experienced designers can save a lot of time. Thin plastic, precise line and smooth surface design templates are suitable for all jewelry designers.
made in Japan
>> Example of using a design template