Diamond Jubapoz Selector Gemstone Testing Review

I was skeptical about ordering this tester but decided to give it a try. I followed the instructions (you correct the gem size and temperature) and voila - he could tell a real diamond from a cubic zirconia! Sapphires, the instrument did not come with instructions for testing these other stones. How do you calibrate each of these stones? What if the pieces are large (e.g. jade)? If you intend to make such claims, please provide appropriate instructions (calibration and test results) for those…

I have been making jewelry for many years and I often use gemstones. When you buy handmade jewelry, even expensive handmade jewelry, you need to be sure you are buying the real thing. I don't work with diamonds very often, but you can be sure I really wanted to make sure I got the real thing! I'm still trying to figure out how to apply this to other gems because I use some gems that are pretty convincing fakes. Light and turquoise is often not what they say. Often there are very convincing…

This little diamond tester was a godsend to me. I inherited my mother's jewelry collection when she died and I had no idea what real jewelry was and what costume jewelry was. At first I thought something so cheap couldn't work. However, this is true – and not just for diamonds. It can determine the authenticity of diamonds and other precious stones such as rubies, sapphires, jade and agate. Stone testing instructions are included in the box with the device. There are actually more instructions…