---
product_id: 647732736
title: "Diamond Tester, Professional Jewelers' Gemstone Detector, High Accuracy Diamond Checker Pen Professional for Jewelers, Gem Tester (Jewelry-Only Detection)"
brand: "siziviki"
price: "₱2429"
currency: PHP
in_stock: true
reviews_count: 6
category: "Siziviki"
url: https://www.desertcart.ph/products/647732736-diamond-tester-professional-jewelers-gemstone-detector-high-accuracy-diamond-checker
store_origin: PH
region: Philippines
---

# 9+ lights & beeps for diamond/moissanite Precise 90° probe angle for accuracy Includes 9V battery & testing platform Diamond Tester, Professional Jewelers' Gemstone Detector, High Accuracy Diamond Checker Pen Professional for Jewelers, Gem Tester (Jewelry-Only Detection)

**Brand:** siziviki
**Price:** ₱2429
**Availability:** ✅ In Stock

## Summary

> 💎 Test Like a Pro, Shine Like a Boss

## Quick Answers

- **What is this?** Diamond Tester, Professional Jewelers' Gemstone Detector, High Accuracy Diamond Checker Pen Professional for Jewelers, Gem Tester (Jewelry-Only Detection) by siziviki
- **How much does it cost?** ₱2429 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/647732736-diamond-tester-professional-jewelers-gemstone-detector-high-accuracy-diamond-checker)

## Best For

- siziviki enthusiasts

## Why This Product

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

## Key Features

- • **Jewelry-Only Detection:** Designed exclusively for gemstones—no false positives from metals or gold, ensuring pure gem verification.
- • **Complete Professional Kit:** Comes with diamond tester pen, leather pouch, testing platform, 9V battery, and user manual for seamless setup.
- • **Effortless Calibration & Use:** Preheat in 30 seconds, adjust to the 4th mark, and test with confidence using the included step-by-step video guide.
- • **Pinpoint Gemstone Authenticity:** Sophisticated sensor delivers laser-precise diamond and gemstone detection—never second guess your stones again.
- • **Optimized for Real-World Conditions:** IP65-rated plastic enclosure and clear usage precautions guarantee reliable performance in your workspace.

## Overview

The Siziviki Diamond Tester is a professional-grade gemstone detector featuring a high-precision sensor that identifies diamonds, moissanite, jade, and crystal with distinct LED and beep signals. Designed exclusively for jewelry testing, it avoids metal interference and includes a complete kit with a 9V battery, testing platform, leather pouch, and detailed user guide plus video tutorial. Compact and IP65-rated, it ensures accurate, reliable results in typical indoor conditions, making it an essential tool for jewelers and gemstone enthusiasts aiming for flawless authenticity verification.

## Description

Features: 1、Professional instruments can help you test the authenticity of masonry. You can not only test diamonds, but also test the authenticity of agate, jade, and crystal. Can meet your daily needs. 2、You will receive a jewelry tester set, which includes a diamond testing kit, a small holder for easy measurement of the diamond, and a leather case. How to test diamond: 1: Put the battery in. 2: Turn on the switch.Make sure only 1 light is lighting up on the scale. Make sure the “Ready Lamp”Light on. 3: Turn on the lights number corresponding to the indoor temperature and diamond weight. 4: When testing diamond, your index finger must keep touching the mmetal panel on the back of the gold detector for jewelry. The probe is 90 degrees vertical to the diamond. Package include: 1 x Diamond Tester Tools 1 x Leather Pouch Case 1 x Testing Platform 1 x User Manual 1 x 9V Battery

Review: It should b not flimsy - Nice true
Review: I have not got my refund and the team not came to collect - Broken nib and battery don’t work

## Features

- ACCURATE DETECTION : Our professional diamond tester pen (a reliable gem tester) features a sophisticated sensor for precise gemstone identification (Diamonds/Moissanite: 9+ lights + beeps; Jade: 5-6 lights; Crystal/Glass: 5-7 lights). (Jewelry-Only Detection – Not for metal/gold or gold testing kit use)
- STANDARD OPERATION : Insert battery → Power on → MUST preheat 30s (critical) → Adjust indicator to 4th mark (do not skip) → Hold back metal plate → Probe 90° perpendicular to gemstone. Reset to 4th mark before each test
- METAL DETECTION NOTE : Not for metal/gold or gold testing kit use – metal has similar thermal conductivity to diamonds (normal beeping, not a defect). Consistent with title "Jewelry-Only Detection"
- PACKAGE CONTENTS : Diamond tester pen + user manual + 9V battery + testing platform. Read the manual first to maximize accuracy with your diamond detector
- PRECAUTIONS : Avoid windy/cold conditions (15-25℃ recommended); Keep probe perpendicular to gemstone; Turn off power after using this diamond checker
- SEAMLESS SHOPPING EXPERIENCE : Useful usage guidance for this diamond tester and gem tester is available via included resources. Note: Only valid for gemstone testing—non-diamond items cause incorrect readings
- VIDEO GUIDE INCLUDED : Step-by-step operation & troubleshooting video covers preheating, calibration, perpendicular alignment, solves 90% of usage issues

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B5DHYMWX |
| Adjustable Length | Yes |
| Are Batteries Required | Yes |
| Batteries Required? | Yes |
| Best Sellers Rank | #159,897 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #2,121 in Beading & Jewelry-Making |
| Brand | Siziviki |
| Colour | Gray-black |
| Country of Publication | India |
| Customer Reviews | 4.0 out of 5 stars 745 Reviews |
| Display Type | LED |
| Enclosure Material | Plastic |
| International Protection Rating | IP65 |
| Item Dimensions L x W x H | 13.5L x 2.2W x 4H Centimeters |
| Item Type Name | 23 |
| Item Weight | 100 g |
| Manufacturer | Siziviki |
| Material | Plastic |
| Model Number | 20 |
| Power Source | Battery Powered |
| Recommended Uses For Product | Gemstone Identification, Diamond Authentication |
| UPC | 618087178460 |

## Product Details

- **Brand:** Siziviki
- **Colour:** Gray-black
- **Batteries Required?:** Yes
- **Material:** Plastic
- **Power Source:** Battery Powered
- **Item Weight:** 100 g
- **Product Dimensions:** 13.5L x 2.2W x 4H Centimeters
- **Adjustable Length:** Yes
- **International Protection Rating:** IP65
- **Recommended Uses For Product:** Gemstone Identification, Diamond Authentication

## Images

![Diamond Tester, Professional Jewelers' Gemstone Detector, High Accuracy Diamond Checker Pen Professional for Jewelers, Gem Tester (Jewelry-Only Detection) - Image 1](https://m.media-amazon.com/images/I/61oqwz1fSbL.jpg)
![Diamond Tester, Professional Jewelers' Gemstone Detector, High Accuracy Diamond Checker Pen Professional for Jewelers, Gem Tester (Jewelry-Only Detection) - Image 2](https://m.media-amazon.com/images/I/71oET-cCrYL.jpg)
![Diamond Tester, Professional Jewelers' Gemstone Detector, High Accuracy Diamond Checker Pen Professional for Jewelers, Gem Tester (Jewelry-Only Detection) - Image 3](https://m.media-amazon.com/images/I/71bloPkDncL.jpg)
![Diamond Tester, Professional Jewelers' Gemstone Detector, High Accuracy Diamond Checker Pen Professional for Jewelers, Gem Tester (Jewelry-Only Detection) - Image 4](https://m.media-amazon.com/images/I/71-LXU2gGvL.jpg)
![Diamond Tester, Professional Jewelers' Gemstone Detector, High Accuracy Diamond Checker Pen Professional for Jewelers, Gem Tester (Jewelry-Only Detection) - Image 5](https://m.media-amazon.com/images/I/618rJ9p2hYL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ It should b not flimsy
*by K***G on 21 December 2025*

Nice true

### ⭐ I have not got my refund and the team not came to collect
*by F***H on 23 December 2025*

Broken nib and battery don’t work

### ⭐ O
*by S***A on 19 December 2025*

Bad product

## Frequently Bought Together

- Diamond Tester, Diamond Detector, High Accuracy Diamond Tester Pen for Professional Jewelers, Gem Tester (Metal Detection Limitation)
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**Shop now:** [https://www.desertcart.ph/products/647732736-diamond-tester-professional-jewelers-gemstone-detector-high-accuracy-diamond-checker](https://www.desertcart.ph/products/647732736-diamond-tester-professional-jewelers-gemstone-detector-high-accuracy-diamond-checker)

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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-03-15*