Showing posts with label treatments. Show all posts
Showing posts with label treatments. Show all posts
Thursday, April 22, 2021

Heard On The Street

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We trust the GIA like we trust our doctor. Do doctors make mistakes? Sure. All the treaters have to do is make one simple change, and the tr...
Wednesday, March 17, 2021

GIA Report On Lab-Grown Treatments

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The Gemological Institute of America has started providing specific information on post-growth treatments for synthetic diamonds, marking th...
Wednesday, September 20, 2017

Oiled Ruby: A Remarkable Visual

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One of a kind. Take a look. Useful link: https://www.gia.edu/gems-gemology/summer-2017-microworld-oiled-ruby
Saturday, July 29, 2017

Jewellery’s Naughty Little Secret: Treated Gemstones

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Open secret, really. Useful link: https://www.businessoffashion.com/articles/intelligence/jewellerys-naughty-little-secret-treated-gemsto...
Thursday, February 04, 2016

Impregnated And Dyed Turquoise

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A common treatment in the gem market. Buyer beware. Useful link: http://www.gia.edu/gems-gemology/fall-2015-gemnews-impregnated-dyed-turq...
Wednesday, February 03, 2016

Coated Rock Crystal Imitation Of Ruby

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Take a look. Buyer beware. Useful link: http://www.gia.edu/gems-gemology/fall-2015-gemnews-coated-rock-crystal-imitation-ruby
Monday, February 01, 2016

Coated Kornerupine Beads

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Take a look. Useful link: http://www.gia.edu/gems-gemology/fall-2015-labnotes-coated-kornerupine-beads
Saturday, January 30, 2016

Irradiated Green-Blue CVD Synthetic Diamonds

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Take a look. Useful link: http://www.gia.edu/gems-gemology/fall-2015-labnotes-irradiated-green-blue-cvd-synthetic-diamonds

Dyed And Natural Green Jadeite

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Take a look. Useful link: http://www.gia.edu/gems-gemology/fall-2015-labnotes-dyed-natural-green-jadeite
Tuesday, January 12, 2016

Synthetic Overgrowth On Natural Corundum

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A must read. Useful link: http://www.git.or.th/2014/eng/testing_center_en/lab_notes_en/glab_en/2015/09/Syn_Ruby_Overgrowth.pdf
Wednesday, January 06, 2016

Strong Pinkish Purple Freshwater Bead-Cultured Pearls

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One of a kind cultured pearls. Useful link: http://www.gia.edu/gems-gemology/summer-2015-labnotes-pinkish-purple-freshwater-bead-cultured...
Sunday, December 20, 2015

Rare Treatment Combination

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A must read for practising gemologists. Useful link: http://www.gia.edu/gems-gemology/summer-2015-labnotes-beryllium-diffused-orange-sapp...
Wednesday, July 29, 2015

Analysis Of Melee Diamonds Using FTIR Spectroscopy

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A must read. Useful link: http://www.gia.edu/gems-gemology/spring-2015-labnotes-analysis-melee-diamonds-ftir-spectroscopy
Monday, July 27, 2015

Fraudulent Diamond Treatments

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A must read. Chaim Even Zohar was spot on. Useful link: http://www.idexonline.com/Memo?Id=40800
Friday, July 24, 2015

An Analysis Of Synthetic Ruby Overgrowth On Corundum

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A must read. Useful link: http://www.giathai.net/an-analysis-of-synthetic-ruby-overgrowth-on-corundum
Sunday, July 05, 2015

Will The New Diamond Treatment Be A Game Changer?

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Only time will tell. Read on. Useful link: http://www.idexonline.com/DIB_857.pdf
Wednesday, July 01, 2015

An Introduction To Gem Treatments

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The best overview. A must read.  http://www.gia.edu/gem-treatment
Tuesday, June 02, 2015

Low temperature Heat Treatment Of Mozambique Ruby

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A must read. Useful link: http://www.giathai.net/pdf/Moz_Ruby_LowHT_20150416_TH.pdf
Tuesday, May 19, 2015

Lab Alert For Oiled Gems

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A must read. Useful link: http://www.lotusgemology.com/index.php/library/articles/315-lotus-gemology-lab-alert-for-oiled-gems
Friday, December 12, 2014

Cobalt-Doped Glass-Filled Sapphires: An Update

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A must read. Useful link: http://lotusgemology.com/index.php/library/articles/133-cobalt-doped-glass-filled-sapphires-an-update