Presidium

ARI by Presidium

A handheld diamond and moissanite screener that distinguishes colorless diamonds from CVD/HPHT lab-grown diamonds or moissanites—for loose and mounted stones...

DiaTechPro

DiaSynth CVD Tester

DiaSynth is an advanced gem analysis machine with AI and UV-induced fluorescence to accurately identify natural diamonds, lab-grown diamonds (CVD and HPHT), and simulants like moissanite and cubic zirconia.Key Features:AI-powered detection of gem type, size, and position.Real-time results displayed ..

DiaTechPro

DiaSynth LAB - CVD Tester

DIASYNTH LAB is a cutting-edge gemological testing instrument made in Italy, designed for laboratories that demand speed, precision, and reliability. Powered by advanced AI and high-performance NVIDIA processors, it delivers instant results with unmatched accuracy. Whether analyzing loose stones or ..

DiaTechPro

DiaSynth XL - CVD Tester

DIASYNTH XL is an advanced gemological testing instrument made in Italy, designed for high-volume analysis of both loose stones and mounted jewelry. With a large 24 × 24 cm working area, powerful AI-driven identification tools, and versatile accessories, it delivers rapid, precise, and secure inspec..

GemTrue

GemTrue APEX - Advanced Synthetic Diamond Tester

The GemTrue APEX is a professional-grade, 5-in-1 synthetic diamond tester built for the realities of today’s gem market. Equipped with advanced optical and thermal conductivity technology, it ensures quick and precise detection — whether at the counter, in the lab, or at a trade show.With the surge ..

Presidium

OTI by Presidium

 Help identify colorless diamonds against CVD/HPHT lab-grown colorless diamonds, all types of moissanite and all common diamond simulants such as Glass, Sapphire and Cubic Zirconia (CZ)...

Presidium

Presidium Adamas Multi Tester-PMUTA

Presidium Adamas  Multi Tester-PMUTA Addressing common drawbacks of all testers and achieving a breakthrough long-awaited in the industry, Presidium presents Adamas, the world’s first diamond and moissanite tester with both replaceable and micro probe tips. Driven by practical in..

Presidium

Presidium Diamond Mate PDMT-A

Presidium Diamond Mate PDMT-A The Presidium Diamond Mate Tester has a retractable probe tip that ensures consistent pressure against the gemstone during testing for more reliable results. With the industry’s thinnest probe tip size of 0.6mm, PDMT tests diamonds as small as 0.02ct. Tes..

Presidium

Presidium Duo Tester PDT-S7

Presidium Duo Tester PDT-S7 Presidium DuoTester is the only comprehensive tool on the market that combines two proven testing methods for gemstones. PDT differentiates diamonds from its simulants based on both their thermal conductivity and reflective indexes. Coated gemstones can als..

Presidium

Presidium Gem Indicator-PGI

Presidium Gem Indicator-PGI The Presidium Gem Indicator is the only handheld tester in the industry specifically for colored gemstones. It indicates up to 31 different types of colored gems based on their thermal conductivity and even features a color input function that allows u..

Presidium

Presidium Gem Tester PGT

Presidium Gem Tester PGT Presidium Gemstone Tester / Colored Stone Estimator is the only colored gemstone thermal tester in the industry. It provides a quick and easy way to identify diamonds and separate common colored gemstones from one another based on their thermal conductivity. Coate..

Presidium Gemstone Tester- II

Presidium Gemstone Tester- IIDescriptionA compact, sturdy and portable desktop instrument that instantly separates up to 15 common colored gemstones based on their thermal properties. PGT II supersedes the revolutionary PGT/CSE - the first colored gemstone thermal tester in the industry.Feat..

Presidium

Presidium Multi Tester PMUT

Presidium Multi Tester PMUT The Presidium Multi Tester III is the only instrument needed to verify the authenticity of diamonds against moissanites, cubic zirconia, and other diamond simulants. Showcasing a new ergonomic design with a rubberized anti-slip grip, PMuT III promises grea..

Presidium

Presidium Refrective Index Meter Prim-II

Presidium Refrective Index Meter Prim-II Separates diamonds, moissanites and gemstones via its Refractive Index in seconds! By accurately measuring the quantity of light reflected through the stone, Presidium Refractive Index Meter II (PRIM II) is able to separate diamonds, moissani..

Presidium Synthetic Diamond Screener (SDS)

Presidium Synthetic Diamond Screener (SDS) Enhanced with additional features, the Synthetic Diamond Screener II is a portable desktop device developed by Presidium to help screen out Type IIa colorless diamonds (usually CVD/HPHT laboratory-grown synthetic diamonds) from the natural Type ..

Presidium

Presidium Synthetic Ruby Identifier

Presidium Synthetic Ruby Identifier The Synthetic Ruby Identifier by Presidium is a ground-breaking desktop device that instantaneously identifies synthetic flame fusion rubies through its characteristic high UV transmittance. Utilizes UV light with auto cut-off and gives quick result..