
Innovative Products
BELIZE
Synthetic Diamond Segregator
Industry's first device with Twin test tip. Patented technology allows BELIZE to test all loose + mounted jewelry. The one and only tester you will need.
VISTA PRO
Synthetic Diamond Segregator
Utilizing the same technology as VISTA, VISTA Pro is designed to test larger mounted jewelry (i.e Pendants, necklaces, bracelets)
VISTA
Synthetic Diamond Segregator
The most compact device in the market for differentiating natural diamonds from potential Synthetic, CVD, HPHT, Type IIA or Type IaB diamonds

Why Gemlogis?
Gemlogis was co-founded by a gemological precision engineer who brought early influence to the gemstone authentication industry two decades ago. With Head Quarters in Hong Kong and a research center in Singapore, Gemlogis established its status as one of the market leaders with several patented technology, breakthrough features, and quality verified by international programs such as ASSURE.
How to detect a synthetic or HPHT diamond?
It is about time that you start to know the difference between a genuine diamond and a lab-grown one. Our synthetic diamond testers and CVD testers deliver the most accurate and reliable results. We continuously supply diamond testers equipped with the most advanced testing technology worldwide.

Quality instruments verified by ASSURE Testing Program
The ASSURE Program is a testing regimen for Diamond Verification Instruments that provide reliable, third-party approved insights to support customers' purchasing decisions. A Diamond Verification Instrument is an ASSURE-tested device of the highest quality with a detailed breakdown report.
Past Exhibitions & Events






User Testimonials
I've had another model diamond tester from this same company, Gemlogis for years and it worked amazingly. I read some reviews and decided to try one of the cheap testers on eBay. It was horrible so I looked for another from Gemlogis - Kimmy, Verified Purchaser
