SYSTEM FOR TESTING THE CHARACTERISTICS OF PRECIOUS STONES

DIGITAL IMAGE GEMSTONE VERIFICATION WITH FILTERS

Inscription Loupe

SYSTEM AND METHOD FOR EVALUATING THE OPTICAL SYMMETRY OF LOOSE DIAMONDS

FLUORESCENCE IMAGING OF GEMSTONE ON TRANSPARENT STAGE

SURFACE ANALYSIS OF GEMSTONES

GEMSTONE ANALYSIS DEVICE, SYSTEM, AND METHOD USING NEURAL NETWORKS

METHOD AND SYSTEM FOR PROVIDING A CLARITY GRADE FOR A GEM

APPARATUS AND METHOD FOR FLUORESCENCE GRADING OF GEMSTONES

SAMPLE ILLUMINATION SYSTEMS AND RELATED METHODS

IMAGING SYSTEMS AND RELATED METHODS

GEMSTONE INSCRIPTION VIEWING SYSTEM AND APPLICATIONS THEREOF

Gemstone Testing Apparatus

MELEE GEMSTONE SORTING MACHINE AND METHODS FOR ANALYSIS

Multi-Functional Precious Stone Testing Apparatus and Method Thereof

GEMSTONE ANALYSIS DEVICE, SYSTEM, AND METHOD USING NEURAL NETWORKS

IMAGING ASSISTED SCANNING SPECTROSCOPY FOR GEM IDENTIFICATION

GEMSTONE TESTING DEVICE

Automated Photography and Inspection Station

FLUORESCENCE IMAGING OF GEMSTONE ON TRANSPARENT STAGE

SYSTEM AND METHOD FOR GRADING CLARITY OF GEMSTONES

SYSTEMS FOR AUTHENTICATION AND RELATED DEVICES AND METHODS

SYSTEMS FOR AUTHENTICATION AND RELATED DEVICES AND METHODS

APPARATUS AND METHOD FOR FLUORESCENCE GRADING OF GEMSTONES

Apparatus and method for assessing optical quality of gemstones

SYSTEM AND METHOD FOR A JEWELRY VIEWING STAND

Method and System for Determining the Location of Artefacts and/or Inclusions in a Gemstone, Mineral, or Sample Thereof

Identifying 3D Objects

SYSTEM AND METHOD OF UNIQUE IDENTIFYING A GEMSTONE

ULTRAVIOLET-VISIBLE ABSORPTION SPECTROSCOPY FOR GEMSTONE IDENTIFICATION

PORTABLE HIGH-RESOLUTION GEM IMAGING SYSTEM

DIAMOND AND COLORLESS GEMSTONE MULTI-TESTER

METHOD AND SYSTEM FOR PROVIDING A CLARITY GRADE FOR A GEM

Systems for authentication and related devices and methods

SYSTEM AND METHOD FOR TRACING A GEMSTONE'S JOURNEY FROM THE MINE TO THE CONSUMER BY DETECTING INCLUSIONS IN THE GEMSTONE

DIGITAL IMAGE GEMSTONE VERIFICATION WITH FILTERS

Identifying 3D objects

Systems and methods for creating reliable signatures for authentication of jewelry and/or gemstones

Systems and methods for reliable authentication of jewelry and/or gemstones

Imaging assisted scanning spectroscopy for gem identification

Method of measuring concentration of nitrogen in diamond and apparatus that measures concentration of nitrogen in diamond

Gemstone testing apparatus

Fluorescence imaging of gemstone on transparent stage

TILT AND FOCUSING ADJUSTMENT FOR CONSISTENT GEM IMAGING

Portable high-resolution gem imaging system

Surface analysis of gemstones

System and method of unique identifying a gemstone

Apparatus and method for fluorescence grading of gemstones

GEMSTONE CONTAINER, LIGHTING DEVICE AND IMAGING SYSTEM AND METHOD

Computer system and graphical user interface for determining diamond and ring attributes using a predictive computer model

Systems for authentication and related devices and methods

Systems for authentication and related devices and methods

METHODS AND APPARATUS FOR AN ANTI-COUNTERFEITING SYSTEM USING COLOR SPACE CORRELATED RAMAN SPECTROSCOPY OF DIAMOND

Automated system and method for clarity measurements and clarity grading

Imaging assisted scanning spectroscopy for gem identification

DETERMINATION OF A GEMSTONE'S COMPOSITION

DOUBLET DETECTION IN GEMSTONES

Gemstone planning

Gemstone container, lighting device and imaging system and method

SYSTEM AND PROCESS FOR DIAMOND AUTHENTICATION

Fluorescence imaging of gemstone on transparent stage

System and method for characterizing gemstones using fluorescence

System and method for processing multiple loose gemstones using image-based analysis techniques

Systems and methods for spectroscopic analyses of diamonds

Apparatus and method for fluorescence grading of gemstones

Methods for detecting deposits of known materials

Apparatus and method for assessing optical quality of gemstones

METHOD FOR MARKING AND AUTHENTICATING DIAMONDS AND PRECIOUS STONES

SYSTEM FOR ANALYZING A COMPOSITE OBJECT IN AN IMAGE TO DETERMINE RING CHARACTERISTICS USING STAGED MACHINE LEARNING MODELS

Method and system for grading gemstones

System and method for evaluating and determining color in gemstones

Multi-functional precious stone testing apparatus and method thereof

Method of identifying and tracing gems by marking jewelry bearing or supporting the gems and jewelry so marked

Apparatus and method for visually inspecting gemstones

Ultraviolet-visible absorption spectroscopy for gemstone identification

Gemstone colour grading process and grading system

Light emitting diode arrangements for gemstone evaluation

Upflow cooling stage for photoluminescence analysis

System and method for determining the traceability of gemstones based on gemstone modeling

System and method of unique identifying a gemstone

Device for inspection and authentication of gemstones and method of using same

Diamond clarity measurement process and system

Method and system for providing a clarity grade for a gem

System and method for tracing a gemstones journey from the mine to the consumer by detecting inclusions in the gemstone

DEVICE, PROCESS AND SYSTEM FOR GEMOLOGICAL CHARACTERIZATION

Imaging assisted scanning spectroscopy for gem identification

Gemstone testing apparatus

SYSTEM AND METHOD FOR LABORATORY-GROWN DIAMOND DETECTION

Unique secured product identification for gemstones

Fluorescence imaging of gemstone on transparent stage

APPARATUS, SYSTEM, AND METHOD OF PROVIDING IN-SITU IMAGE-BASED RECOGNITION OF GEMSTONE CHARACTERISTICS

Autonomous Grading of Gemstones

System and method for evaluating and determining color in gemstones

Apparatus and method for fluorescence grading of gemstones

Automated system and method for clarity measurements and clarity grading

Method and system for determining the location of artefacts and/or inclusions in a gemstone, mineral, or sample thereof

Process and system for diamond clarity measurement

Process and system for colour grading for diamonds

Identifying and grading diamonds

SYSTEM FOR ACCURATE 3D MODELING OF GEMSTONES

Method for analysing a gemstone

GEMSTONE TESTING APPARATUS

Gemstone verification

PORTABLE HIGH-RESOLUTION GEM IMAGING SYSTEM

Diamond clarity measurement process and system

UV reflection tester

Gemstone profiling

Gemstone testing apparatus

Method and system for detecting a diamond signature

JEWELRY AND GEMSTONE IMAGING APPARATUS AND METHODS FOR USING THE SAME

Fabricating diffractive structures on gemstones for high optical performance

Multi-functional precious stone testing apparatus and method thereof

ILLUMINATED TRANSFLECTIVE GEMSTONES, METHODS, AND APPARATUS THEREOF

Apparatus and method for assessing optical quality of gemstones

Gemstone sorting

Apparatus and method for fluorescence grading of gemstones

System and method for detecting inclusions in a gemstone

CONFIRMING METHOD OF MEMBERSHIP

Computer system and graphical user interface for determining diamond and ring attributes using a predictive computer model

Gemstone periphery light qualification system

Upflow cooling stage for photoluminescence analysis

System and method of unique identifying a gemstone

Apparatus for sorting gemstones

System for accurate 3D modeling of gemstones

Method and system for providing a clarity grade for a gem

Method and system for detecting a diamond signature

Gemstone valuation apparatus

OBJECT CHARACTERIZATION AND AUTHENTICATION

Fluorescence box for gemological applications

Device for identifying a diamond

Colour grading process and system for diamonds

Automated system and method for clarity measurements and clarity grading

Method for marking and authenticating diamonds and precious stones

Multi-functional precious stone testing apparatus and method thereof

Apparatus and method for fluorescence grading of gemstones

Multi-functional precious stone testing apparatus and method thereof

Diamond identification apparatus

Loupe camera

Gemstone handling and analysis system

Managing optical characteristics of gemstones with diffractive structures

Ultraviolet gemstone display box

Precious stone testing device

Luminescence measurements in diamond

Method to characterize cut gemstones using optical coherence tomography

Global Investment Grade for Natural and Synthetic Gems used in Financial Investments and Commercial Trading and Method of Creating Standardized Baskets of Gems to be Used in Financial and Commercial Products

Method for computing a unique identifier for a gemstone having facets

Automated FTIR Spectrometer

Diamond identification apparatus

Method and apparatus for rapidly cooling a gem

Automated Systems and Methods to Facet and Polish Diamond for Productization

Automated system and method for clarity measurements and clarity grading

Luminescence measurements in diamond

Purifying diamond powder

Device and method for screening gemstones

Colour measurement of gemstones

Method of testing the color quality of a colored gemstone

NATURAL JEWELRY AUTHENTICITY IDENTIFICATION METHOD AND SYSTEM BASED ON MICROSCOPIC THREE-DIMENSIONAL IMAGING TECHNIQUE

System and method of unique identifying a gemstone

Synthetic diamond labelling and identification system and method

RAMAN SPECTROMETER

Methods and apparatus for illuminating gemstones

Method of diamond color grading

Grading lamp for gemstones

Fast method for batch screening diamonds

Apparatus and method for assessing optical quality of gemstones

Magneto-optical defect center magnetometer

Gemstone registration and recovery system, and systems for evaluating the light performance of a gemstone and capturing forensic characteristics of a gemstone

Method of identifying and tracing gems by marking jewelry bearing or supporting the gems and jewelry so marked

attachable spectroscope to an auxiliary CCD or CMOS camera as detector for gem identification

System, apparatus and method for viewing a gemstone

GEMSTONE VERIFICATION

Pearl grading method

Spectroscopic determination of optical properties of gemstones

MOBILE GEMSTONE IDENTIFICATION

Portable small-object holding device and a method for using same

Luminescent glass composition

AUTHENTICATION SYSTEMS EMPLOYING FLUORESCENT DIAMOND PARTICLES

Method and apparatus for rapidly cooling a gem, including two stage cooling

Method and system for providing a clarity grade for a gem

LIGHT COLLECTION FROM DNV SENSORS

GEMSTONE PROCESSING

Methods of spectroscopic analysis of diamonds and apparatuses thereof

Global Investment Grade for Natural and Synthetic Gems used in Financial Investments and Commercial Trading and Method of Creating Standardized Baskets of Gems to be Used in Financial and Commercial Products

Multi-functional precious stone testing apparatus and method thereof

GEMSTONE IMAGING APPARATUS

Apparatus and method for assessing optical quality of gemstones

Apparatus and method for fluorescence grading of gemstones

Method and system for certification and verification of gemstones

Automatic observation apparatus for detecting mineral samples

Measuring parameters of a cut gemstone

Ultraviolet gemstone display box

Assembly for analyzing a light pattern caused by refraction and reflection at a precious stone

Multi-functional precious stone testing apparatus and method thereof

Method and device for gemstone evolution

Examination method for distinguishing between natural diamond and synthetic CVD/HPHT diamonds

Examination method to apprais corundum that has undergone beryllium diffusion treatment

Gemstone sparkle analysis

Written expert opinion of diamond and method of preparing the same

METHOD FOR MEASURING PATTERNED SAPPHIRE SUBSTRATE

Gemstone viewer

Methods for evaluating gemstone shape

Methods and systems of imaging cut stones

Gemstone registration system

SYSTEM FOR ACCURATE 3D MODELING OF GEMSTONES

Gem tester

COMPUTERIZED METHOD AND SYSTEM FOR LIGHT PERFORMANCE GRADING OF GEMSTONES BY ONE SINGLE GRADING SCALE

Gemstone registration and recovery system, and systems for evaluating the light performance of a gemstone and capturing forensic characteristics of a gemstone

A METHOD FOR AUTHENTICATING A TIMEPIECE

Optical quality control device

Plasma etching of diamond surfaces

Engraved gemstone viewer for personal communications devices

Reflectance spectroscopy measuring and sampling system and method for gemstone testing

Gemstone tester and a method of characterising a gemstone

Method of determining quality of heart and cupid optical effects of diamond device therefor

Gem identification method and apparatus

INFRA-RED ANALYSIS OF DIAMONDS

Method of providing markings to precious stones including gemstones and diamonds, and markings and marked precious stones marked according to such a method

Multi-functional precious stone testing apparatus and method thereof

System for evaluating a gemstone

Gemstone inspection

Method For Applying a Data Marking to the Surface of a Diamond or Brilliant and For Determining the Authenticity Thereof

Passivation of nonlinear optical crystals

Global investment grade for natural and synthetic gems used in financial investments and commercial trading and method of creating standardized baskets of gems to be used in financial and commerical products

Imaging System

COMPUTERIZED METHOD AND SYSTEM FOR LIGHT PERFORMANCE GRADING OF GEMSTONES BY ONE SINGLE GRADING SCALE

Method and apparatus for rapidly cooling a gem, including two stage cooling

Automatic gemstone orientation

Method and system for improved optical modeling of gemstones

DEVICE FOR MEASURING PROPERTIES OF SCATTERERS

Method and system for providing a clarity grade for a gem

Systems and methods to measure and display the scintillation potential of a diamond or other gemstone

GEMSTONE REGISTRATION SYSTEM AND SYSTEM FOR EVALUATING THE QUALITY OF A GEMSTONE CUT

Gem identification method and apparatus using digital imaging viewer

Method and system for authenticating using external excitation

Imaging system with motorized positioning of image capture device

Universal tool for automated gem and mineral identification and measurement

Method and apparatus for object viewing, observation, inspection, identification and verification

METHOD FOR POSITIONING AND DETECTING AN INVISIBLE MARK AND DETECTOR FOR IMPLEMENTING SAME

Watch identification and authentication system and method

Ambient reflectivity absorption system for identifying precious or semi-precious materials and associated methods

Gem pattern matching algorithm to determine the percentage match of a target gem pattern to a database of gem patterns

Reflected dark field method and apparatus

Reflected dark field method and apparatus

Non-uniform grating

Gemstone sparkle analysis

Gemstone registration system

Global investment grade for natural and synthetic gems used in financial investments and commercial trading and method of creating standardized baskets of gems to be used in financial and commercial products

Inclusion detection in polished gemstones

GEM POSITIONING AND ANALYSIS SYSTEM

Retail compatible detection of CVD grown diamond

Electronic field effect devices and methods for their manufacture

Diamond sorting system

Detection of chemical vapor deposition grown diamond

Method for non-destructive judgment of pearl quality

Gem tester

Method and system for inspecting beveled objects

Enhancing the optical characteristics of a gemstone

Methods and systems of imaging cut stones

Modified apparatus and method for assessment, evaluation and grading of gemstones

Device for measuring properties of scatterers , for color measuring for scattered light of gemstones, for measuring brightness of gemstones, and for measuring luminescence distribution

Method and apparatus for object viewing, observation, inspection, identification, and verification

Gemstone viewer

Arrangement for and method of examining gemstones

ARRANGEMENT FOR AND METHOD OF HOLDING GEMSTONES

Cut grading gemstones, evaluation and representation of symmetry and proportion

Method and system for improved optical modeling of gemstones

Method and apparatus for rapidly cooling a gem, including two stage cooling

Fast UV-VIS-NIR absorption spectrometer system and method

Method and apparatus for rapidly cooling a gem

APPARATUS AND METHOD FOR COLOR MEASUREMENT AND COLOR GRADING OF DIAMONDS, GEMSTONES, AND THE LIKE

Apparatus and methods for assessment, evaluation and grading of gemstones

Gem pattern matching algorithm to determine the percentage match of a target gem pattern to a database of gem patterns

Method and system for providing a clarity grade for a gem

Automated system and method for clarity measurements and clarity grading

Reflected dark field method and apparatus

DIAMOND ELECTRONIC DEVICES INCLUDING A SURFACE AND METHODS FOR THEIR MANUFACTURE

Electronic field effect devices

DIAMOND IDENTIFIER

Detection of chemical vapor deposition grown diamond

Plasma etching of diamond surfaces

DIAMOND ELECTRONIC DEVICES AND METHODS FOR THEIR MANUFACTURE

Retail compatible detection of CVD grown diamond

High uniformity boron doped diamond material

Matched pairs of gemstones

Global investment grade for natural and synthetic gems used in financial investments and commercial trading and method of creating standardized baskets of gems to be used in financial and commercial products

Apparatus, a method, and a system for gemstone evaluation and gemology tutoring over the internet

ASSESSMENT OF DIAMOND COLOR

Engraved gemstone viewer

Systems and methods for the evaluation of scintillation in gemstones

Method for evaluation of a gemstone

Diamond and Precious Stone Trading Platform with Funding and Delivery Transparency

Handheld magnifying device incorporating a circular array of light emitting diodes

Method and apparatus for identifying and characterizing objects based on fluorescence

Dark field lighting testing device

Method for evaluation of a gemstone

GEMSTONE VIEWING METHODS AND APPARATUS

Methods, apparatus, and systems for evaluating gemstones

Apparatus and method for color measurement and color grading of diamonds, gemstones and the like

Method and apparatus for object viewing, observation, inspection, identification, and verification

Apparatus for generating data for determining a property of a gemstone and methods and computer programs for determining a property of a gemstone