Showing posts with label gem identification. Show all posts
Showing posts with label gem identification. Show all posts
Monday, November 21, 2022

Fraudulently Inscribed Synthetic Moissanite

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Consumers beware. In addition to diamonds and synthetic moissanite, GIA has previously identified laser inscriptions on cubic zirconia, dias...
Friday, December 03, 2021

New Emeralds From Musakashi In Zambia Appear In The Gem Market

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The insightful report by SSEF is a must read for gemologists and gem traders worldwide. Useful link: https://www.ssef.ch/new-emeralds-from-m...
Tuesday, November 02, 2021

Identifying Gemstone Inclusions At First Sight

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E. Billie Hughes was spot on. When you sit in front of the microscope to view the known unknown and unknown unknown gem inclusions the chall...
Sunday, July 18, 2021

Identification Of Resin-Filled Turquoise

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Gem identification and treatments are evolving domains. GIA's report on identification of resin-filled turquoise was an insightful resea...
Wednesday, November 18, 2020

Alrosa Diamond Inspector

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A diamond detector from Alrosa. Useful link: https://alrosa-inspector.com
Friday, October 30, 2020

Separation Of Natural From Laboratory-Grown Diamond Using Time-Gated Luminescence Imaging

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A must read for practising gemologists, jewelers, diamond dealers and intellectually curious consumers. Many thanks to researchers at GIA. U...
Saturday, October 24, 2020

GIA System Detects Lab-Growns In Melee

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GIA has launched an automated system that can distinguish lab-grown melee diamonds from natural melee diamonds. According to GIA, the screen...
Tuesday, November 05, 2019

Separation Of Kornerupine And Prismatine

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Follow the standard gem identification methodology. Useful link: https://www.gia.edu/gems-gemology/summer-2019-labnotes-separation-of-...
Tuesday, October 22, 2019

Ask The Experts: Mystery Gem Needs Hands-on Inspection

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Always, period. Useful link: https://www.antiquetrader.com/appraisals/ask-the-experts-mystery-gem-needs-hands-on-inspection
Sunday, October 20, 2019

Paraíba-Like Synthetic Sapphire

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Known known, but still (buyers) beware. Useful link: https://www.gia.edu/gems-gemology/spring-2019-labnotes-para%C3%ADba-like-synthetic-s...
Thursday, September 26, 2019

Large Faceted Gahnospinel

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Take a look. Useful link: https://www.gia.edu/gems-gemology/spring-2019-labnotes-large-faceted-gahnospinel
Wednesday, September 11, 2019

GIA iD100

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GIA (Gemological Institute of America) has released a software update for its iD100 gem-testing device. The upgrade means the instrument can...
Thursday, September 05, 2019

Tips On Choosing A Colored Gem Testing Lab

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Good advice. Useful link: https://lotusgemology.com/index.php/library/articles/452-gem-testing-labs-tips-on-choosing-a-gem-testing-lab...

Inside Out: GEM•ology Through Lotus-Colored Glasses

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Must read. Useful link: https://lotusgemology.com
Wednesday, September 04, 2019

Curved Banding In Flame-Fusion Synthetic Sapphires

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Known information. Useful link: https://www.gia.edu/gems-gemology/summer-2019-microworld-curved-banding-flame-fusion-synthetic-sapphir...
Saturday, June 08, 2019

ALROSA Technology To Present New Diamond Identification Tool

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Get to know ALROSA Diamond Inspector. Useful link: http://www.idexonline.com/FullArticle?Id=44794
Wednesday, May 08, 2019

Ana Maria Pearl

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SSEF has successfully age-dated the historic pearl using carbon 14 (14 C) providing new information on the age of a gem. Useful link: htt...
Wednesday, April 24, 2019

Single HPHT Synthetic Diamond Mixed In Natural Diamond Ring

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Take note. Useful link: https://www.gia.edu/gems-gemology/winter-2018-gemnews-single-hpht-synthetic-diamond-mixed-in-natural-diamond-ring
Friday, April 19, 2019

The Difference In Diamonds: Lab Grown vs. Mined vs. Alternatives

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Take a short course at a reputable gemological institute to learn the theory and practice to differentiate diamonds and their imitations. ...
Wednesday, March 13, 2019

What Makes A Good Synthetics Detector?

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Consistency. Useful link: https://www.diamonds.net/News/NewsItem.aspx?ArticleID=63460&ArticleTitle=What+Makes+a+Good+Synthetics+Detec...