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💎 Test Like a Pro, Shine Like a Boss
The GAIN EXPRESS Diamond Tester Pen is a professional-grade gem tester combining UV fluorescence and thermal sensor technology to accurately distinguish natural diamonds from simulants like moissanite and cubic zirconia. Designed for both novices and experts, it features a compact, battery-efficient design with audible metal alerts and comes complete with a testing platform and carrying pouch.
| Asin | B00MNEB0U0 |
| Batteries Included | No |
| Batteries Required | No |
| Battery Cell Type | Alkaline |
| Battery Description | Batería 9v |
| Best Sellers Rank | 146,298 in DIY & Tools (See Top 100 in DIY & Tools) 282 in Multi Testers |
| Customer Reviews | 3.8 3.8 out of 5 stars (178) 3.8 out of 5 stars |
| Date First Available | 5 Sept. 2014 |
| Guaranteed Software Updates Until | unknown |
| Item Model Number | JEM-II |
| Item Package Quantity | 1 |
| Item Weight | 150 g |
| Manufacturer | Gain Express Holdings Ltd. |
| Part Number | JEM-II |
| Power Source | Battery Powered |
| Product Dimensions | 17.78 x 7.62 x 5.08 cm; 149.69 g |
| Style | Compact |
User
Works as it should
Excellent
User
Easy to use
Good materials, look good, easy to use. Just tested on my wife diamond ring, the result is quite good.
User
Good product for the price.
Very easy to use. Good price.
User
Fast and liable
Ir is a fine item
User
Good product
Worked better than I thought
User
Real Diamond Tester 💎
I rarely ever leave a review but for this I had to! It tests actual diamonds accurately!It also when tested on other minerals doesn’t tick off as if it’s the real thing unlike many of the cheap ones out there.This is the real deal.
User
Macchina prova diamante
Discreto qualità prezzo
User
Ojo
Hay que insistir. El aparato funciona porque lo hemos probado con joyas que sabíamos que eran buenas y otras que sabíamos 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 sí, si la piedra es mala no va a pitar lo pongas como lo pongas.
User
Can’t tell diamond from moissanite.
This tester can’t tell the difference between diamonds and moissanite.
User
NUL
Produit arrivé deffectueux. La pile de 9 volt devenue bouillante, j ai acheté un adaptateur 9 volt qui est incompatible avec le testeur.Pour le prix excessif Je m’attendais à mieux produits fortement déconseillé👎👎👎👎👎
User
Qualité D'exécution
Magnifique, svp très fort.
Trustpilot
2 months ago
1 month ago