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David P.
August 18, 2025
The pen I ordered was delivered the day they said it was suppose to arrive. It's a very good tester and I like it very much
Customer
July 28, 2025
Work just as described
Dani B.
July 4, 2025
The more you push the tip against your diamond the more accurate it will become
GENE
July 1, 2025
GOOD
David R. Tanner
May 23, 2025
At this price point a great buy, for novice use, as it was for me.
Arne Swanson
May 3, 2025
Nothing fancy or above the price I paid. A good one is 300-$500 but for a mobile tester, it fine
Bill ayaz
April 30, 2025
Good price.
A
April 7, 2025
Hay que insistir. El aparato funciona porque lo hemos probado con joyas que sabÃamos que eran buenas y otras que sabÃamos que no. Pero y tengo que decir que hay veces que pita y otras que no en la misma piedra o sea que cuidado con dar por malo algo que puede ser un brillante, mejor repetir la operación unas cuantas veces porque le cuesta. Eso sÃ, si la piedra es mala no va a pitar lo pongas como lo pongas.
Mj
March 24, 2025
Does a amazing job , noise is annoying
MANDRAU marc
February 18, 2025
Tester les pierre
《Bamboccia》
February 17, 2025
Non funziona ! Purtroppo dopo aver tradotto tutte le istruzioni ho tentato di utilizzare il prodotto ed il risultato è stato quello che non andava !!
huggy
February 12, 2025
Worked better than I thought
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