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

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💎 Test like a pro, shine like a boss.

USER FRIENDLY DESIGN - Intuitive size selection and touch panel guarantee accurate results with minimal effort.
PORTABLE PROFESSIONAL - Compact, pocket-sized tester with included leather pouch—perfect for on-the-go pros and enthusiasts.
PRECISION POWER UPGRADE - Type-C power option ensures ultra-stable voltage for flawless diamond detection every time.
INSTANT AUTHENTICITY CHECK - Fast, reliable readings with LED indicators and audible alerts—no gemologist degree needed.
VERSATILE 60 X MAGNIFICATION - Illuminate and inspect diamonds, coins, antiques, and more with bright LED-enhanced clarity.

The HMKIS Diamond Tester Pen is a high-precision, professional-grade tool designed for quick and accurate diamond verification. Featuring dual power options including a stable Type-C supply, a 60x LED jeweler’s magnifier, and a combination of LCD, LED, and audible signals, it delivers reliable results for both beginners and experts. Compact and portable, it comes complete with a test platform, USB cable, and protective pouch, making it an essential device for anyone serious about authenticating gemstones with confidence.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

320.36 DT

Duties & taxes incl.

Tunisiastore

Free Returns

30 daysfor PRO membership users

15 dayswithout membership

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

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

2 months ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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Manufacturer	HMKIS
Model Number	HXK+FDJ
Package Dimensions	27.7 x 9.4 x 4.5 cm
Material	Crystal
Color	Diamond Tester + Magnifier
Size	Jeweler Tester
Power Source	Battery Powered
Voltage	9 Volts
Battery Type	Manganese
Lithium Battery Packaging	Batteries only
Package Weight	0.17 Kilograms
Batteries Required	No
Batteries Included	Yes
Brand Name	HMKIS
Item Weight	120 Grams

HMKIS Diamond Tester Pen, High Precision Professional Jewelry Diamond Tester with 60x Jewelry Loop Magnifier, Diamond Selector for Beginners and Professionals

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