Article Search Results

Show Filters
Showing 5 results for "chameleon diamonds"
A notebook, pen, mobile phone with compass app and a digital camera sit on top of a map.
Article
The Stories Behind the Photos: A Gigantic Aquamarine and ‘Gaudy’ Nature

Gemmological photojournalist Robert Weldon shares the stories behind some of his favourite photos.

Read More

Multi-colored gems are superimposed on an image of glacier peaks.
Article
Gems and Minerals from the Sub-Arctic

Circumnavigate the boreal reaches of the globe to explore gems from polar regions.

Read More

A close-up image of a pile of rough diamonds.
Article
Ups and Downs of 2016 Make for an Uncertain 2017

The diamond industry was slow to recover in 2016 and coloured gems got a welcome shot in the arm. Mixed signals leave no clear indicators for 2017.

Read More

chrysoberyl samples
Chrysoberyl from the New England Placer Deposits, New South Wales, Australia

Examines a collection of chrysoberyl samples from these sapphire placer deposits to determine their distinct mineralogical and chemical properties.

Read More

Sri Lanka Topic page
Article
Sri Lanka: A Rich Blend of Old and New on the "Island of Jewels"

In February 2014, GIA field gemmologist Andy Lucas and video producer Pedro Padua travelled to Sri Lanka for two weeks with an ambitious goal: to document the country’s entire gem and jewellery industry, from mud-drenched mines to glittering retail stores.

Read More