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  • 21/06/2016

    Доехал в Санкт-Петербург за две недели. Приборчик интересный. На бриллианты реагирует правильно. На сапфиры отреагировал как и на брюлики, видимо теплопроводность у них похожа. А вот турмалин, аметист, хризопраз, горный хрусталь, как и следовало ожидать под брюлики "закосить" не смогли и были прибором определены как подделка :) Так, что для похода в ювелирный аппарат вполне подойдет. Изделием доволен. Рекомендую.

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  • 04/01/2019

    Ya bozuk yada kullanmayı ögrenemedim. her demire full ısık yanıyor. türkce kullanma klavuzu olaydı iyiydi :)

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  • 06/05/2021

    A good crystal hardness tester for a good price. I mostly use it for checking watch crystals, but also the occasional gem stone.

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  • 15/06/2022

    Hello received ithem tooday. I have no diamonds or gems available to test tooday. But looks convincing, I will rewiew again whwn I have tested.

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  • 22/10/2021

    excellent, everything is good. everything working perfectly.

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  • 10/08/2020

    it arrived sooner than I’ve expected, the look and the feeling feels as its price, it does work, but it need to be adjusted according a chart that came with, I have had another testers, and this is the first I see need to be adjusted before it’s use, but it’s ok, no big deal with it, at the beginning I saw a Hole and I thought it was defective, missing a led or something, but think is a hole for the fabricator calibration, another thing is that I used with regular 9V battery, and I think it need an alkaline battery, tested well the two first times, but then tested and shut itself down. let’s see if it lasts, but if it does, for the price it’s a bargain.

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  • 29/07/2019

    the Portable Gemstone Diamond selector V2 is very easy to align and test small accent diamonds I know it basically says the hardness as in good indicator the stones is above the hardness of cheaper stones such as glass right away, I used the diamond selector to check a beautiful 19mm×14 emerald cut ruby THE TESTER READS LIKE THAT STONE IS MORE LIKE A GARNET HARDNESS AND NOT RUBY HARDNESS It's quick to jump up to the lighted scale when its a diamond I purchased a synthetic replacement sapphire right away the diamond selector lets me know to buy some more synthetics from that seller it tells me that in a few purchases of cheap silver rings with gemstones at flea markets IT WILL EASILY PAY FOR ITS SELF and I like that I might have been lied to about a larger synthetic ruby's qualities BUT I HOPE ITS A GARNET beyond this simple testing i just usually have them checked my GOLD JEWELRY WITH GEMSTONES purchases out my local pawnstore

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  • 14/10/2018

    وصلت الشحنة بحالة جيدة وبمدة اربعة ايام فقط 4 يوم وهي عبارة عن محدد نوعية وصلابة الاحجار الكريمة

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  • 22/10/2017

    product exactly as described

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  • 05/12/2013

    Muito bom produto, muito boa qualidade e muito funcional .

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