Made in Japan. Bset diamond cutting scope. Portable and affordable!
The Uniscope was invented by Japanese Mr. yamashita, who developed H&A( Hearts and arrows) diamonds cutting.
Uniscope as a portable and affordable method to grade the cut quality of diamonds.
Many professional and consumers have been using it as one part of diamond buying technique for more than 10 years.
The instrument is simply a lens with a Pink (blue )paper reflector in front of the diamond and a central viewing hole.
With it you can see just how much of the red light refracts back from the diamond.
Anyone can intuitively gauge a diamonds brilliance; and see the images of hearts and arrows easily.