---
product_id: 40181311
title: "Presidium Gem Indicator PGI Colored Gemstone and Diamond Tester"
brand: "presidium"
price: "₨11508"
currency: SCR
in_stock: true
category: "Presidium"
url: https://www.desertcart.sc/products/40181311-presidium-gem-indicator-pgi-colored-gemstone-and-diamond-tester
store_origin: SC
region: Seychelles
---

# USB rechargeable & handheld 31 gemstone types detected Results in under 6 seconds Presidium Gem Indicator PGI Colored Gemstone and Diamond Tester

**Brand:** presidium
**Price:** ₨11508
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Presidium Gem Indicator PGI Colored Gemstone and Diamond Tester by presidium
- **How much does it cost?** ₨11508 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/40181311-presidium-gem-indicator-pgi-colored-gemstone-and-diamond-tester)

## Best For

- presidium enthusiasts

## Why This Product

- Trusted presidium brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Industry-Leading Accuracy:** Thinnest retractable thermoelectric probe ensures consistent pressure for unmatched testing precision.
- • **Versatile Color Detection:** Advanced color input function separates diamonds from 31 common colored gemstones with ease.
- • **Instant Gem Identification:** Get precise gemstone results in less than 6 seconds—no more waiting, no more guessing.
- • **Ergonomic & Portable Design:** Sleek chrome-brushed grip with USB power option keeps you testing comfortably anywhere.
- • **User-Friendly Digital Display:** Clear LED screen delivers easy-to-read results, perfect for fast-paced professional use.

## Overview

The Presidium Instruments Gem Indicator (PGI) is the only handheld tester designed specifically for colored gemstones, delivering fast, accurate results in under 6 seconds. Featuring a retractable thermoelectric probe for consistent pressure, a color input function to distinguish 31 gemstone types, and a clear digital LED display, it combines precision with ergonomic design and USB power flexibility—ideal for professionals who demand reliable, on-the-go gem identification.

## Description

desertcart.com: Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones : Arts, Crafts & Sewing

## Features

- INDUSTRIES MOST TRUSTED | The only handheld tester specifically for colored gemstones; Quick results in less than 6 seconds.
- THINNEST RETRACTABLE PROBE TIP | Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone, for enhanced accuracy.
- VERSATILE AND RELIABLE | Color input function to further separate gemstones for more precise results.
- EASY TO READ | Results are on a clear digital LED screen; Tests an extended range of 31 different gemstones.
- ERGONOMIC | Sleek chrome-brushed ergonomic grip; USB port for alternative power and handheld for convenience.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06X979666 |
| Best Sellers Rank | #311,384 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #110 in Jewelry Diamond Testers |
| Customer Reviews | 3.6 3.6 out of 5 stars (61) |
| Date First Available | June 3, 2016 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 11.2 ounces |
| Item model number | PGI |
| Manufacturer | PRESIDIUM |
| Package Dimensions | 8.1 x 3.4 x 2.4 inches |

## Images

![Presidium Gem Indicator PGI Colored Gemstone and Diamond Tester - Image 1](https://m.media-amazon.com/images/I/71SIZ1xbSgL.jpg)

## Questions & Answers

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

**Q: Where can I find a list of the 31 gemstone this item can detect?**
A: 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

**Q: Can you test mounted stones?**
A: You can test all kinds of stones! Loose, mounted, cracked, clear and even cloudy!!!

**Q: Can it tell the difference between genuine diamonds and synthetic diamonds ?**
A: Hello,

No, it can not. It simply identifies the stones

## Frequently Bought Together

- Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones
- Professional Gold, Silver, Platinum Jewelry Testing Kit with Stone Instructions and Box with 30X Eye Loupe Magnifier Precious Metals 10K 14K 18K 24K 999 925 Scrap
- Presidium Replacement Probe Pen PS2-2 for Presidium Gem Tester II (PGT II) and Duo Tester II (PDT II)

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**Shop now:** [https://www.desertcart.sc/products/40181311-presidium-gem-indicator-pgi-colored-gemstone-and-diamond-tester](https://www.desertcart.sc/products/40181311-presidium-gem-indicator-pgi-colored-gemstone-and-diamond-tester)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-07-07*