Certified gemstone testing

Trusted Platform For Diamond & Gemstone Test
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Diamond Grading Report

How it  Started

Stones have been a center of attraction for me since my childhood;rings,pendants,braclets etc were more attractive for me than a choclates than after Inter I got to know a facetter in my area and I got there to learn facetting. It was a turning point of my life.

 

CategorieS

Our Expertise are in

X-RAY FLOURESCENSE

We Specialized in XRF measuring devices — Precise, fast & non-destructive XRF coating thickness measurement measuring devices. Coating thickness measurement & material analysis with X-RAY XRF

DELTA XRF (X-RAY FLUORESCENCE)

DELTA XRF (X-RAY FLUORESCENCE)

We Specialized in

DELTA Environmental Handheld XRF Analyzers test for dangerously high levels of RCRA, Priority Pollutant and hazardous metals in seconds.
RAMAN SPECTROSCOPY

RAMAN SPECTROSCOPY

We Specialized in Raman Spectroscopy a non-destructive chemical analysis technique which gives detailed information about chemical structure, phase and polymorphy, molecular interactions and crystallinity. 

Our Best Service

Certification of real Gemstones and Diamonds
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criss lab gemstone testing lab
What we do

Assessment and valuation of jewellery

Crissgem is one of the best laboratory in USA which offers the online verification of gemstones certificates.

EngagemenT

How It Works

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Diamond Grading Report

This report not only covers the four C’s, but it also tells whether the diamond has been treated or upgraded in any way to reach its current status. Criss Lab uses the well known GIA-Grading system to grade diamonds.

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Gemstone Identification Report

Gemstones are identified based on their physical and optical qualities. This report mentions the gemstone’s features such as weight, shape and cut, measurement, and so on.

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Jewellery Authentication Report

This report is intended for jewelry goods studded with diamonds and gemstones. This report includes all of the necessary information on the Jewellery Item for both the supplier and the buyer.