TANJIN Jewelry Diamond Tester with Case Portable Gemstone Selector II High Accuracy Gem Testing Equipment
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Only for gemstones have I used it. It is not capable of detecting currency or documents. You choose the size stone you want to test by looking at the settings on the back, then turn it on and adjust the bar setting. Wait for the second light to illuminate before placing the tip directly on the stone. If the lights turn red, you've got a real diamond.
The move was ineffective. It was given to the charity.
Selected User Reviews For TANJIN Jewelry Diamond Tester with Case Portable Gemstone Selector II High Accuracy Gem Testing Equipment
One of the lights that should be there has no bulb in it and is just an empty hole. This method is usually effective in terms of cost.
Simply read the instructions on what levels to set it to and that you must touch the plate on the back of the device while testing; it also comes with a kit and a small loose diamonds stand. Aside from that, it's a fairly simple process.
This is something I've done with a lot of my jewelry. If I'm going to buy the real thing, I want to make sure it's the real deal. It really works.
It's very effective.
This machine did not function as it should have. I couldn't keep it and had to give it back.
As a toy, it's fine for my 9-year-old son to play with.
product of high quality.
This worked the first time I tried it, but it hasn't since.
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