Article Search Results

Show Filters
Showing 6 results for "*"
Rough CLIPPIR diamonds
The Very Deep Origin of the World’s Biggest Diamonds

Explores an exceptional family of diamonds, referred to as “CLIPPIR” (Cullinan-like, Large, Inclusion-Poor, Pure, Irregular and Resorbed), that formed in a super-deep environment.

Read More

Colombian independent miners
Colombian Emerald Industry: Winds of Change

A first-hand look at Colombia’s emerald mines and the cutting and trading industry in Bogotá.

Read More

23.16 carat pink diamond unearthed from the Williamson Mine in Tanzania. Image courtesy of Petra Diamonds.
Article
The Unexpected Origins of Big Diamonds

Dr Evan Smith, Ph.D., GIA research scientist, has dedicated his work to methodically characterising the inclusions found in rare diamonds. In this video presentation recorded at the 2017 JCK Las Vegas show, Smith shares his findings on the unexpected ori

Read More

Evan Smith studies images of diamond inclusions on a computer.
Article
Postdoctoral Programme Gives Scientists Access to Rare Research Opportunities

GIA’s postdoctoral programme gives researchers access to gemmological data, equipment, and rare, unusual and large gems in its laboratories.

Read More

IMG - WN13 Shirey 157484 300x169 hero
Recent Advances in Understanding the Geology of Diamonds

Examines the last two decades’ advances in analysing and understanding the formation of natural diamonds, and their relation to the Earth’s formation.

Read More

Rough Emerald
Article
Seeing Green: All About Emeralds

Want to see into the future? Be an eloquent speaker? Defeat spells and enchantments? Such is the lore of the emerald.

Read More