Showing posts with label Diamond Grading. Show all posts
Showing posts with label Diamond Grading. Show all posts
Thursday, August 28, 2025

GIA Updates Lab-Grown Diamond Grading: What You Need To Know

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GIA will introduce a new grading system for lab-grown diamonds from Oct. 1. Learn how “premium” and “standard” classifications work, fees, ...
Monday, June 26, 2023

HPHT-Grown Colorless Diamond Displaying Unusual Phosphorescence Effects

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Phosphorescence produced from visible light by diamonds will always remain a challenge for diamond graders. Many thanks to Gems & Gemolo...
Sunday, March 13, 2022

GIA Stands With Ukraine

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GIA did the right thing. Useful links: https://www.linkedin.com/feed/update/urn:li:activity:6907743135741423616 https://www.gia.edu
Tuesday, December 07, 2021

GIA Emphasizes Emotion Over Education

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Why it took so long? Useful link: https://discover.gia.edu/diamonds-graded-by-GIA
Wednesday, September 23, 2020

ISO 24016:2020

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CIBJO has described the publication by the International Standards Organisation of ISO 24016, the first-ever standards approved by the body ...
Tuesday, August 04, 2020

AGS Lab To Resume Grading Lab-Grown Diamonds

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American Gem Society's grading laboratory will again evaluate laboratory-grown diamonds, a service it began in 2012 and then stopped in ...
Tuesday, February 18, 2020

Lightbox And The 4C's

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Take a look. Useful links: https://lightboxjewelry.com https://www.jckonline.com/editorial-article/lightbox-grading-information
Sunday, July 14, 2019

DiaCam360

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Automation in diamond grading has arrived. Thanks to AI and Deep Learning. Useful link: http://www.idexonline.com/FullArticle?Id=44846
Friday, July 12, 2019

The Brilliant Work Of A Diamond Grader

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Diamond graders are a unique breed. Useful link: http://www.bbc.com/capital/gallery/20190522-the-brilliant-work-of-a-diamond-grader
Saturday, July 06, 2019

Varna-D

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Gemoro Products announced that it will be the worldwide distributor for Imagem’s new Varna-D polished diamond grading device.  The portable...
Thursday, May 30, 2019

First Real Diamond Fingerprint Report

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A GGTL initiative. Useful links: http://www.idexonline.com/FullArticle?Id=44870 http://img-view.mailpro.com/clients/2011/08/27/8369/GGTL...
Sunday, May 19, 2019

Are Some Diamonds Still Overgraded? Here’s What Retailers Say

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Diamond grading is so subjective you will never get a correct answer. Useful link: https://instoremag.com/are-some-diamonds-still-overgra...
Saturday, May 04, 2019

ImaGem Launches New Color Grading Device For Diamonds

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Take a look. Useful link: http://www.idexonline.com/FullArticle?Id=44737
Wednesday, December 05, 2018

Is There A Place For Hue On Diamond Grading Reports?

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A very good question. Useful link: https://www.jewellerybusiness.com/features/is-there-a-place-for-hue-on-diamond-grading-reports
Wednesday, June 20, 2018

GIA Launches Proprietary Cut Program For Diamond Grading Reports

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Take note. Useful link: http://www.idexonline.com/FullArticle?Id=43979
Thursday, June 14, 2018

The State Of Diamond Grading

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A must listen. Useful link: http://www.diamonds.net/News/NewsItem.aspx?ArticleID=62317&ArticleTitle=Podcast%253a%2bThe%2bState%2bof%2...
Wednesday, August 16, 2017

Sarine Claims Superior Accuracy For Grading Tools

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I hope they are reliable and consistent. Useful link: http://www.diamonds.net/News/NewsItem.aspx?ArticleID=59146&ArticleTitle=Sarine%...
Sunday, March 27, 2016

Have Overgrading Lawsuits Become Overkill?

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A must read. Rob Bates was spot on. Useful link: http://www.jckonline.com/blogs/cutting-remarks/2016/01/29/have-overgrading-lawsuits-beco...
Tuesday, February 09, 2016

Exit Interview With Peter Yantzer, Former Executive Director Of AGS Laboratories

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A must read. Useful link: http://www.jckonline.com/blogs/cutting-remarks/2015/12/04/exit-interview-peter-yantzer-former-executive-directo...