Tag: GIA

Treated diamonds and their detection

May 21, 2024

Treatment processes are used to enhance the colour, clarity, durability, and appearance of gemstones, ensuring their saleability in a competitive market. While modern treatment methods guarantee the production of more attractive gems, their advancement ensures the challenging nature of treatment detection. Treatments are sometimes undertaken to deceive and defraud consumers. Depending on the treatment process, treated gems may not...

Jewelers Mutual and GIA launch new gemmology scholarship

April 18, 2024

Jewellery industry insurance provider Jewelers Mutual has collaborated with the Gemological Institute of America (GIA) to unveil the Ron Harder Gemological Scholarship. This initiative to support the education and development of future gemmologists offers a US$50,000 (approx. C$68,160) scholarship. The award will be disbursed over a period of five years, providing US$10,000 (approx. C$13,630) annually to recipients.

‘Peacock’ colour range added to lab’s pearl grading reports

May 9, 2023

Tahitian pearls of a certain hue will now be described as such in Gemological Institute of America’s (GIA’s) reports.

GIA returns to printed reports amidst backlash

April 12, 2023

Mere months after launching its digital report conversion, the Gemological Institute of America (GIA) has reverted to issuing paper documents.

‘Unusual’ colour change observed in sapphire

December 19, 2022

Determining and reporting the colour of some sapphires continues to pose a unique challenge for gem scientists and jewellers alike.

Fine jewellery authentication launched by eBay

August 2, 2022

Helping ensure luxury jewellery shoppers get what they pay for online is the goal of the Gemological Institute of America’s (GIA’s) latest collaboration.

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Tag: GIA

Treated diamonds and their detection

Jewelers Mutual and GIA launch new gemmology scholarship

‘Peacock’ colour range added to lab’s pearl grading reports

GIA returns to printed reports amidst backlash

‘Unusual’ colour change observed in sapphire

Fine jewellery authentication launched by eBay

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Tag: GIA

Treated diamonds and their detection

Jewelers Mutual and GIA launch new gemmology scholarship

‘Peacock’ colour range added to lab’s pearl grading reports

GIA returns to printed reports amidst backlash

‘Unusual’ colour change observed in sapphire

Fine jewellery authentication launched by eBay

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