Diamond Testers

Presidium PGT II is a portable gemstone tester that uses assisted thermal calibration to identify diamonds, moissanite and 14 other common gemstones accurately in the field. The Presidium Gem Tester II (PGT II) is a compact, analog thermal tester redesigned for everyday use by...

DANOPLUS Diamond & Moissanite Tester Combo is a compact, professional tester that distinguishes diamonds, moissanite and common imitations using quick warm-up sensing, audible alerts and coloured indicator lights. This handheld meter combines a sensitive probe, metal-detection logic and an ergonomic grip to give jewellers,...

TEKCOPLUS Diamond Tester Jewellery Gem Stone Tester Kit is a professional 2-in-1 instrument that checks diamonds, moissanite, other gemstones and detects unwanted metals quickly and accurately. Whether you run a jewellery shop, repair bench or collect gemstones, you need a compact, fast, and dependable...

The GemOro Testerossa is a handheld, professional 4-way gemstone tester that quickly distinguishes mined diamonds, moissanite, white sapphire and other stones using LED, UV and conductivity signals. Engineered for jewellers, pawn shops and serious collectors, the Testerossa combines UV-F1 moissanite detection with colour-coded LED...

The TEKCOPLUS Polariscope is a desktop LED instrument that quickly reveals whether a gemstone is isotropic or anisotropic by using rotatable glass polarizing filters for clear, hands‑on gem identification. Compact but robust, this bench polariscope combines a built‑in AC LED light source with a...

KooingTech Diamond Tester RHG181 is a compact, handheld refractometer that measures gemstone refractive index from 1.30 to 1.81 RI for fast, non-destructive gem identification. The KooingTech RHG181 refractometer is built to help jewellers, gemologists and hobbyists quickly determine optical properties of gemstones and small...

TEKCOPLUS Diamond Tester is a compact professional meter that distinguishes diamonds, moissanite, metals and other gemstones quickly and reliably down to 2 points. This handheld tester combines a sensitive thermal probe, an integrated metal detector and audible alerts to help jewellers, pawnshops and hobbyists...

The Presidium PGI Handheld Gem Indicator is a portable tester that distinguishes diamonds from many coloured gemstones and delivers clear results in seconds. The PGI combines a retractable thermoelectric probe, colour input function, and a digital LED readout to give jewellers, appraisers, and hobbyists...

The GAIN EXPRESS Diamond Tester Pen is a handheld professional tool that distinguishes natural diamonds from common simulants like cubic zirconia and moissanite using thermal sensing and UV fluorescence detection. Compact and battery-efficient, this gem tester combines a thermal sensor with ultraviolet light to...

Valkynos Professional Diamond Tester Pen is a compact thermal-conductivity gem checker with a 365nm UV light that gives a rapid 0.5‑second indication to help distinguish real diamonds from common simulants. This pocket-sized tester combines a sensitive thermal sensor, built-in ultraviolet lamp, and simple LED/buzzer...

The Valkynos Diamond Tester Kit is a compact thermal-conductivity pen tester with a 60X loupe and UV light designed to quickly identify real diamonds and separate them from common simulants. This portable kit brings practical, on-the-spot diamond screening to collectors, resellers, hobbyists and anyone...

Mollo Diamond Tester Pen is a compact, battery-powered thermal conductivity tool and diamond torch that helps identify diamonds and common gemstones quickly and reliably. The Mollo tester combines a handheld diamond probe with a small torch to reveal light-colour effects and thermal response of...

The Hqdz Jewellery Diamond Tester Kit is a portable toolkit that checks gemstone authenticity using thermal conductivity, measures weight to 0.01g, and magnifies details up to 90× for quick, on-the-spot appraisal. Whether you buy, sell, or simply inspect gems, this compact set combines a...

Hqdz-td's Jewellery Diamond Tester Kit is a compact, multi-tool gem testing set that combines a thermal-conductivity diamond tester pen, a 200g/0.01g pocket scale, and a 60x LED loupe for quick, on-the-spot gemstone identification and weighing. This kit bundles three practical instruments into one portable...

Hqdz Diamond Tester Pen is a compact, entry-level electrical tester paired with a 30X/60X LED foldable loupe to help you distinguish real diamonds and common imitation stones quickly and affordably. This handheld kit combines a clear-screen diamond probe and a small magnifying loupe so...

HMKIS Diamond Tester is a compact, USB-powered toolkit that combines thermal conductivity testing, a 365nm UV light and a jeweler's loupe to quickly distinguish natural diamonds from common simulants like moissanite and cubic zirconia. This all-in-one instrument pairs a sensitive thermoelectric probe with a...

The MIUONO Diamond Tester is a handheld, non-destructive pen tester that quickly indicates whether a stone is a real diamond using lights and an audible tone. Designed for hobbyists, jewellers, pawnbrokers and collectors, this compact kit combines a precision thermal-conductivity diamond probe with a...

The HMKIS Diamond Tester Pen is a handheld, Type-C/9V-powered gem tester paired with a 60X LED jeweler’s loupe for fast, on-the-spot diamond verification. This compact kit combines a professional diamond selector with an illuminated magnifier so collectors, jewellers, and casual buyers can quickly inspect...

Hqdz Diamond Tester Pen with 60X LED magnifier is a compact, battery-powered kit that quickly identifies diamonds using thermal conductivity plus a lighted loupe for close inspection. This handheld tester and its matching 60X LED magnifying loupe are built for fast, on-the-spot screening of...

WUCID Diamond Tester Pen Kit is a complete portable set that lets you screen diamonds and many common gemstones quickly using thermal conductivity, with handy tools for handling and inspecting stones. This compact kit combines a battery-powered diamond tester pen with a jeweler’s loupe,...