how does it identify the gemstones as i see nowhere it will show anything in the above photo

You would place the probe tip against the stone you are testing, select the color of the stone in the window, and the tester will identify what it is. The screen is small, but all the information you need will be there

Where can I find a list of the 31 gemstone this item can detect?

Glass, Iolite, Almandine, Pyrope, Spessartite, Aquamarine, Emerald, Goshenite, Helidor, Morganite, Tanzanite, Nephrite, Peridot, Jadeite, Paraiba, Rubellite, Tourmaline, Demantoid, Hessonite, Tsavorite, Chrysoprase, Amethyst, Aventurine, Citrine, Quartz, Spinel, Chrysoberyl, Topaz, Ruby, Sapphire, Diamond

Can you test mounted stones?

You can test all kinds of stones! Loose, mounted, cracked, clear and even cloudy!!!

Can it tell the difference between genuine diamonds and synthetic diamonds ?

Hello, No, it can not. It simply identifies the stones

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones

Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones

Product ID: 40181311

💡Clear digital LED screen for easy reading

📏Thinnest retractable probe tip for precision

⏱️Results in under 6 seconds

AED 1740

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Description

💎 Identify brilliance instantly—because your gems deserve the best.

COLOR INPUT FUNCTIONALITY - Advanced color input separates gemstones with laser-like precision for confident identification.
INSTANT GEM IDENTIFICATION - Get accurate results in less than 6 seconds—no more waiting, no more guessing.
PRECISION PROBE TECHNOLOGY - Thinnest retractable thermoelectric probe ensures consistent pressure and unmatched accuracy.
ERGONOMIC PORTABLE DESIGN - Sleek chrome-brushed grip with USB power option—designed for professionals on the move.
USER FRIENDLY DIGITAL DISPLAY - Bright LED screen delivers crystal-clear results, testing 31 different gemstones effortlessly.

The Presidium Instruments Gem Indicator (PGI) is the industry’s most trusted handheld tester designed specifically for diamonds and colored gemstones. Featuring a retractable thermoelectric probe tip for precise pressure, a quick 6-second testing time, and a clear digital LED display, it identifies 31 different gemstones with advanced color input functionality. Its ergonomic design and USB power option make it the perfect tool for professionals seeking fast, reliable, and portable gem identification.

Specifications

ASIN	B06X979666
Best Sellers Rank	#329,881 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #101 in Jewelry Diamond Testers
Customer Reviews	3.6 3.6 out of 5 stars (62)
Date First Available	June 3, 2016
Item Weight	11.2 ounces
Item model number	PGI
Manufacturer	PRESIDIUM
Package Dimensions	8.1 x 3.4 x 2.4 inches

Common Questions

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.

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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.

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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.

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TrustScore 4.5 | 7,300+ reviews

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

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AED 1740

Duties & taxes included

In stock

Sold byAmazon UAEDelivered 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 UAE.

Secure transaction

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Fast, free shipping, member pricing & priority support.

Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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