--- product_id: 461333720 title: "Diamond Tester Pen Pro High Accuracy Jewelers' Gemstone Detector" brand: "siziviki" price: "Β₯3470" currency: JPY in_stock: true category: "Siziviki" url: https://www.desertcart.jp/products/461333720-diamond-tester-pen-pro-high-accuracy-jewelers-gemstone-detector store_origin: JP region: Japan --- # 30-second preheat for instant, reliable accuracy 9+ LED lights & beeps for diamond/moissanite detection Compact 5.31" pen design for on-the-go gem verification Diamond Tester Pen Pro High Accuracy Jewelers' Gemstone Detector **Brand:** siziviki **Price:** Β₯3470 **Availability:** βœ… In Stock ## Summary > πŸ’Ž Test Like a Pro, Shine Like a Star ## Quick Answers - **What is this?** Diamond Tester Pen Pro High Accuracy Jewelers' Gemstone Detector by siziviki - **How much does it cost?** Β₯3470 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/461333720-diamond-tester-pen-pro-high-accuracy-jewelers-gemstone-detector) ## 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 - β€’ **Ready When You Are:** Fast 30-second preheat and easy calibration ensure you never miss a beat in your gem testing workflow. - β€’ **Portable Powerhouse:** Lightweight, pen-sized design fits perfectly in your toolkit for seamless, professional use anywhere. - β€’ **Precision You Can Trust:** Sophisticated sensor delivers high-accuracy diamond and gemstone identification with clear LED and beep signals. - β€’ **Step-by-Step Confidence:** Includes detailed manual and video guide to master flawless testing and avoid common pitfalls. - β€’ **Exclusive Jewelry Detection:** Specialized to test gemstones onlyβ€”no false positives from metals or gold, keeping your results crystal clear. ## Overview The Siziviki Diamond Tester Pen Pro is a professional-grade, portable gemstone detector featuring a high-precision sensor with 9+ LED indicators and audible beeps for accurate diamond and moissanite identification. Designed exclusively for jewelry-only detection, it requires a quick 30-second preheat and precise calibration for reliable results. Compact and lightweight, it includes a 9V battery, testing platform, and comprehensive user guides, making it an essential tool for jewelers and gem enthusiasts seeking fast, trustworthy verification on the go. ## Description desertcart.com: Siziviki Diamond Tester Pen Pro High Accuracy Jewelers' Gemstone Detector | Professional Jewelers Gem Tester, Jewelry-only Detection, High-precision Diamond Test, Portable Pen for Fast Gem Verification : Arts, Crafts & Sewing ## 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 (Gently press the wire and the cables to hold battery will secure it in place) β†’ Power on β†’ MUST preheat 30s (critical) β†’ Adjust indicator to 4th mark (do not skip) β†’ Hold back metal plate β†’ Probe 90Β° 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 testingβ€”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. Skipping any required steps may lead to inaccurate detection results - BATTERY INSTALLATION WARNING : Ensure the 9V battery is installed with correct polarity and properly seated in the battery compartment. Otherwise, the device may fail to power on. For details, please refer to the instruction manual ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B5DHYMWX | | Battery Type | 9V | | Best Sellers Rank | #4,084 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #3 in Jewelry Diamond Testers | | Brand Name | Siziviki | | Color | Black | | Customer Reviews | 4.1 4.1 out of 5 stars (1,059) | | Display Type | LED | | International Protection Rating | IP65 | | Item Dimensions L x W x H | 5.31"L x 0.87"W x 1.57"H | | Item Type Name | 23 | | Item Weight | 3.52 ounces | | Manufacturer | Siziviki | | Manufacturer Part Number | 1 | | Material Type | Plastic | | Model Number | 20 | | Power Source | Battery Powered | | Recommended Uses For Product | Gemstone Identification, Diamond Authentication | | UPC | 618087178460 | | Unit Count | 1 Count | ## Product Details - **Brand:** Siziviki - **Color:** Black - **Item Weight:** 3.52 ounces - **Material:** Plastic - **Power Source:** Battery Powered ## Images ![Diamond Tester Pen Pro High Accuracy Jewelers' Gemstone Detector - Image 1](https://m.media-amazon.com/images/I/61oqwz1fSbL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Diamond Tester, Diamond Detector, High Accuracy Diamond Tester Pen for Professional Jewelers, Gem Tester (Metal Detection Limitation) - 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 - Accmor Ring Size Measuring Tool Includes Plastic Ring Sizer Mandrel Stick, Finger Sizing Ring Guage Measurer and 2 Pcs Finger Measure Tape for Women Men Jewelry Making --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/461333720-diamond-tester-pen-pro-high-accuracy-jewelers-gemstone-detector](https://www.desertcart.jp/products/461333720-diamond-tester-pen-pro-high-accuracy-jewelers-gemstone-detector) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-23*