MASTER COLOR GRADING SET ست شناسایی رنگ الماس

WORLD'S FIRST MASTER GRADING SET for Diamonds,　using the latest
　　　　　　　and highly advanced NANO TECHNOLOGY.
　　　　　　　D to M color, Standard International grading scale.
　　　　　　　Necessity for all Retail Shops, Diamond Dealers, Wholesalers, Brokers and Students.
　　　　　　　Life long color guaranty for exchange only. Please make sure to refer with the number
　　　　　　　on the back of the box.
　　　　　　　All 10 stones are in 5 different sizes, 2 stones of the same size are 6 colors apart and
　　　　　　　are very easy to identify.　No need of any eye glass or weighing machine. Measurement
　　　　　　　scale included.
　　　　　　　Comes in a compact, easy to handle box with clear instruction, good enough to be used
　　　　　　　even by a new student.