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S. Freeby
2025-09-03 11:42:57
The testing instrument works well for what I needed. I needed it to test for Moissanite.I work for an auction house and test the gems in jewelry so that they are not misrepresented.We also auction loose gems and this is needed for this also
me
2025-08-24 12:34:08
The Diamond Tester falls short in several key areas, making it a less reliable choice for those needing accurate gemstone assessments. Its performance is inconsistent, often failing to distinguish between diamonds and simulants effectively. This can lead to confusion and potential errors, especially when assessing valuable or delicate stones.The build quality is also lacking, with a flimsy design that feels less durable than expected. Frequent calibration issues can result in unreliable readings, requiring constant adjustments to maintain accuracy. The user interface is not as intuitive as one would hope, making the testing process more cumbersome than necessary.Additionally, the display is small and hard to read, which can be frustrating during detailed examinations. The overall functionality does not justify the investment, particularly when compared to other more reliable and accurate testers on the market.Customer support is reportedly slow to respond, which is a drawback if issues arise. For those serious about gemstone testing, it’s worth considering alternatives that offer better reliability and accuracy. Overall, the Diamond Tester fails to deliver on its promises, making it a less advisable choice for enthusiasts and professionals alike.
Jaycob Meinke
2025-07-31 12:28:55
I work in a pawnshop and we use these to determine whether or not the stones are diamond moissanite or anything in between they work great
RC
2025-07-14 09:18:10
Good product, just make sure you center the tip from the diamonds and hold the reader 90 degrees for accurate reading
RICHARD D DODD Kindle Customer
2025-07-13 15:11:18
Accurately differentiates between real and immatation diamonds and moisonite. Could be a little more solid for the price. Really hard to get a good reading. Tried to hold on an angle and that helps. A lot of my diamonds are colored which don't read on the pen. They go up to moisonite and stop. I am happy overall.
Review Expert
2025-07-08 14:36:50
I had high hopes for the Presidium Multi Tester III as an all-in-one instrument for testing diamonds and moissanites, but it left me thoroughly disappointed. 😞First off, it's not as user-friendly as it claims to be. The instructions are complex, and it takes forever to get the hang of it. Plus, the device itself is bulky and awkward to handle.But the real letdown is its accuracy—or lack thereof. It frequently gives false readings, leaving me questioning the authenticity of my gemstones. It's a nerve-wracking experience, to say the least.Considering the hefty price tag, I expected much better performance. Unfortunately, the Presidium Multi Tester III doesn't live up to the hype. Don't waste your money on this unreliable gem-testing tool. 💔💎âŒ
norma
2025-07-06 17:54:56
The media could not be loaded.
Michael Hyman
2025-06-19 13:47:28
Expensive but seems to be accurate distinguishing differences between authentic and not...
Mauro
2025-03-09 16:07:44
El producyo aparenta muy buena calidad, pero no es lo que promete.Tengo casos en los que un diamante HPHT es leido como diamante cuando esta sobre la placa de aluminio suministrada y una vez montado en oro lo lee como Moissanita.Casos en los que pequeños diamantes naturales los lee como Moissanitas.Y casos en los que a las Moissanitas las lee como diamantes..Aun limpiando, aun cambiando pilas, aun verificando angulo de toma, aun con todo lo que se recomienda hacer, lls errores de lectura son persistentes, por lo que no es confiable su uso.para eso, vale mas comprar un diamond selector de 150 pesos (conductividad termica) y un Moissanita terster de 150 pesos (conductividad electrica) y con menos del 10% de lo que vale este producto tienes los mismos o incluso mejores resultados de lectura, ya que con esos aparatos baratos si temgo lecturas persistentes de lo que se trata.
Sairul k.
2025-03-06 13:44:26
Works well and fast delivery , recommended seller.
DAXX
2025-01-30 12:26:43
Works as advertised. Also checks the crystals on my watches, showing if they are mineral glass or sapphire. Great little gadget to have.
Customer
2024-11-18 18:29:39
It's a little expensive but it's doze the job well.
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