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!

TRUSTED SUPPORT - Dedicated customer service ready to guide you through every step, ensuring professional-grade usage.
USER FRIENDLY DESIGN - Intuitive interface ideal for both novices and experts, making diamond verification effortless and reliable.
SAFE SPEEDY TESTING - Non-invasive thermal conductivity meter ensures quick results without damaging your precious stones.
DUAL FUNCTION MAGNIFIER - 60X LED mini microscope perfect for inspecting gems, coins, antiques, and stamps with crystal-clear detail.
PINPOINT DIAMOND ACCURACY - Detect real diamonds instantly with sound and light signals ≥9 for foolproof authenticity.

The HMKIS Diamond Tester Pen combines high-accuracy thermal conductivity testing with a 60X LED magnifier, delivering fast, safe, and reliable diamond verification. Lightweight and user-friendly, it’s designed for both beginners and experts to confidently authenticate diamonds and inspect fine collectibles.

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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.

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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.

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Excellent communication throughout the order process. Product is perfect.

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Manufacturer	HMKIS
Package dimensions	27.7 x 9.4 x 4.5 centimetres
Package Weight	0.17 Kilograms
Item dimensions L x W x H	25.8 x 5.5 x 3.5 centimetres
Item weight	120 Grams
Brand	HMKIS
Colour	Diamond Tester+ Magnifier
Item model number	HXK+FDJ
Product Dimensions	25.8 x 5.5 x 3.5 cm; 120 g
ASIN	B08MTG5NHJ

HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester＋ 60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter

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