
See Gem As
Tools
Research
The Extraordinary Backstory of Natural Diamonds: A Diamond Is (and Has Been) Forever
Examines new developments in the story of diamond formation and their extraction from the earth.

Large Natural Diamonds with Asteriated Cloud Inclusions
Two natural diamonds containing cloud inclusions that resemble stars are examined in the Carlsbad laboratory.

Square-Shaped Cloud in Diamond
A natural faceted diamond displays a prominent square-shaped cloud under the table.

Laboratory-Grown Diamonds: An Update on Identification and Products Evaluated at GIA
Reviews the advancements and major trends in laboratory-grown diamonds observed by GIA since 2007.

Quarterly Crystal: Diamond in Diamond
Examination of a South African diamond reveals an eye-visible diamond inclusion.

Large CVD-Grown Diamond Resubmitted after HPHT Treatment
A record holder for largest CVD-grown diamond is examined for a second time in the Carlsbad laboratory after HPHT treatment.

Trigon Party on a Diamond
A cluster of trigons is observed on the surface of a 1.01 ct natural diamond.
The Lengthy Vertical Journey of Superdeep Diamonds
Explores the journey of superdeep diamonds to the earth’s surface.
CVD with “Ancient Text” Clouds
A CVD-grown diamond exhibits an interesting clarity characteristic.

Cross in Natural Diamond
DiamondView imaging revels a cross-shaped fluorescence pattern in a natural diamond.

Distinctive Feather in Diamond
A feather observed in a natural diamond resembles a large reptile.

Inclusion Resembling a Gada in Diamond
An etch channel in the crown facets of a diamond resembles a mace-like weapon.








