Can it distinguish between real and fake diamonds?

YES! This diamond tester pen can distinguish between real and fake diamonds such as CZ, crystal and topaz, artificial sapphire, zircon. CAN'T DISTINGUISH diamond and moissanite！

Is it suitable for testing loose diamonds?

Yes, we can use this diamond tester pen to test loose diamond since there will be a platform for testing loose diamond

Can This diamond tester pen be used to test Diamond jewelry？

Sure! You can use this diamond tester pen to test Diamond jewelry, such as diamond ring, diamond earrings, diamond necklace and so on.

What is the power supply method of this diamond tester pen?

This diamond tester pen has two power supply method, one is the 9V battery and the other is USB Type-C power supply!But It is NOT rechargeable!

Can I use this test something else,such as skin, glass, metal?

We don't suggest use this diamond tester to test something else, as it is a diamond tester pen. When we testing metal, the Level Meter will turn off suddently or it will flashing

Hmkis Diamond Tester Pen Jewelry Diamond Tester With 60x Mini

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

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Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

3183174₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

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Description

💎 Test with confidence, inspect with precision—your pocket gem expert awaits!

COMPACT TRAVEL READY - Lightweight, pocket-sized design with protective faux leather pouch—perfect for on-the-go gemologists and jewelry managers.
ERGONOMIC TWO HAND TESTING - Designed for foolproof use by professionals and novices alike, ensuring reliable results every time.
INSTANT DIAMOND VERIFICATION - Quickly identify real diamonds with audible beeps and LED indicators—never second guess authenticity again.
60 X MINI LED MAGNIFIER INCLUDED - Inspect stones, coins, and antiques in vivid detail anytime, anywhere—even in low light conditions.
PRECISION THERMAL CONDUCTIVITY METER - Advanced sensor technology measures heat flow to distinguish genuine diamonds from imitations with scientific accuracy.

The HMKIS Diamond Tester Pen is a portable, battery-powered device that uses thermal conductivity to accurately distinguish real diamonds from simulants like cubic zirconia. Featuring a 60X LED magnifier for detailed inspection and intuitive two-hand operation, it offers quick, reliable results for both novices and experts. Compact and lightweight, it includes a protective pouch and is ideal for professionals seeking a convenient, on-the-go diamond verification tool.

Specifications

ASIN	B08MTG5NHJ
Best Sellers Rank	#13,440 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #259 in Voltage Testers
Brand	HMKIS
Brand Name	HMKIS
Colour	Black
Country of Origin	China
Customer Reviews	4.0 out of 5 stars 7,877 Reviews
Global Trade Identification Number	09070190994879
Included Components	1 Electric Circuit Testing Device
Item Dimensions	25.8 x 5.5 x 3.5 Centimeters
Item Weight	120 Grams
Item dimensions L x W x H	25.8 x 5.5 x 3.5 Centimeters
Manufacturer	HMKIS
Maximum Operating Voltage	9 Volts
Measurement Type	Thermal Conductivity Scale (1-9)
Minimum Operating Voltage	9 Volts
Model Number	HXK+FDJ
Part Number	HMKIS
Power Source	Battery Powered
Power Source Type	Battery Powered
Specification Met	CE
Style	Portable,Simple
Style Name	Portable,Simple
Unit Count	1.00 Count
Upper Temperature Rating	30 Degrees Celsius

Reviews

K**K

1.06.2025

M**H

13.07.2023

A**E

4.09.2024

M**R

18.08.2024

I**E

14.05.2024

S**H

2.07.2023

I**.

25.03.2023

م**ي

11.12.2021

O**?

30.03.2026

た**ん

19.03.2026

J**N

15.01.2026

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

View all Trustpilot reviews

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

3183174₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago