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

Presidium Gem Indicator Pgi Colored Gemstone And Diamond Tester

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

Help Track order

Account Cart

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

Help Track order

Account Cart

Rp17339597

Duties & taxes included

In stock

Sold byAmazon IndonesiaDelivered 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 Indonesia.

Secure transaction

Description

💎 Unlock the secret life of every gem in your collection!

SMART THERMAL TECH - Dual thermometers deliver instant, reliable thermal conductivity readings
SEAMLESS CONNECTIVITY - USB PC connection for enhanced data management and added functionality
INDUSTRY THINNEST PROBE - 0.45mm tip for testing gems as small as 0.2ct with pinpoint accuracy
UNMATCHED GEM VERSATILITY - Accurately identifies diamonds plus 31 colored gemstones
PRECISION MEETS PORTABILITY - Handheld digital tester for on-the-go gem pros

The Presidium Gem Indicator PGI is a handheld digital tester designed specifically for colored gemstones and diamonds. Featuring the industry's thinnest 0.45mm probe tip, it accurately tests gems as small as 0.2 carats by measuring thermal conductivity through dual thermoelectric sensors. With the ability to identify up to 31 different colored gemstones and a clear OLED display, it offers precise, on-the-spot gem verification. Additional features include a retractable probe tip for consistent pressure, buzzer alerts, low battery indicator, and USB connectivity for advanced data functions.

Specifications

ASIN	B06X979666
Best Sellers Rank	314,050 in DIY & Tools ( See Top 100 in DIY & Tools ) 865 in Multi Testers
Brand	Presidium
Customer Reviews	3.8 3.8 out of 5 stars (55)
Date First Available	3 Jun. 2016
Item Weight	318 g
Manufacturer	Presidium
Manufacturer Part Number	PGI
Model Number	PGI
Package Dimensions	20.57 x 8.64 x 6.1 cm; 318 g

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.

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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.