Diamond tester (diamond Selector II)

Very accurate good product

It just stopped working after a month or so.. initially i thought its a good purchase but doesnt last long even after changing the batteries.. better go for another brand.. this is not value for money at all.

Satisfactory

Money waste product

Plz check tip probe

Working good

Good

Dnt buy this as it’s not working properlyDamaged product n when I got it for return no one came to pick it up

Great item for the money - perfect for home-use (personal collector, online seller or even an antique dealer -ect). Easy to follow instructions are included. I would not recommend it however for a retail type of jewelry business due to being made of plastic. It was not ALWAYS accurate either. I 'tested' it on one diamond that I knew was genuine and 1x out of 10-12x it did not not accurately detect as diamond even though diamond was a genuine. One must also know the approx carat weight of the diamond and 'dial' to that weight - if not there will be a false reading. The tester then beeps when tip detects genuine diamond or does not beep to indicate not a genuine diamond. I think this may have something to do with the particular temperature characteristics of a diamond - but I'm not very sure?) Bear in mind however that although it did signal a false-negative (did not detect as genuine diamond) - I also tested on a rhinestone and it never gave a false positive reading (indicated as genuine diamond). So from what I gather: If you get at least one positive, it's a genuine diamond. I definitely recommend.

An unusual purchase, bought on a whim for my wife who loves gemstones. She has tested it on all her diamonds and other precious stones. We get readings but not sure if it is a scientific instrument or a fancy gadget toy. We plan to use it when out shopping to verify any stones being offered, but I am sure it will need some more field testing to be able to ascertain its effectiveness for sure

doesn't work

I feel that it worked fine..I tested stones I knew were not diamonds and than on real diamonds and it worked fine. I don't know if a professional would use this model but for the DIY guy I think its a great value.

The instructions weren't very detailed. As a first time user I had to watch a YouTube video to get the hang of it. I'd suggest having a a real gem and a fake so your not guessing! Great for the price!