Article Search Results

Show Filters
Showing 633 results for "chameleon diamonds"

Types

Articles (633)
XClear Selections
Chameleon diamond before and after heating
Chameleon Diamond with Nickel Absorption Band

A rare chameleon diamond is examined in GIA's Carlsbad lab.

Read More

A Gemmological Study of a Collection of Chameleon Diamonds

Chameleon diamonds are among the rarest of gem diamonds.

Read More

Parallel bands of green color at room temperature.
Uncommon Parallel Colour Zoning in a Chameleon Diamond

A diamond examined in the Carlsbad lab shows chameleon colouring in an unusual pattern.

Read More

Yellow-green cape diamond.
Cape Diamond with Yellow Phosphorescence

A cape diamond examined in the New York lab shows rare yellow phosphorescence.

Read More

The 187.63 ct Foxfire rough diamond.
The Foxfire Diamond, Revisited

The 187.63 ct rough diamond from Canada’s Diavik mine shows surprising reactions to ultraviolet light.

Read More

Loose and mounted green diamonds.
Article
Exhibition Review: Green Diamonds: Natural Radiance

Review of Green Diamonds: Natural Radiance at the Natural History Museum of Los Angeles.

Read More

DiamondView images show the fluorescence in two unusual diamonds.
Two Natural Type IIa Diamonds with Strong Phosphorescence and Ni-Related Defects

Natural diamonds exhibit characteristics normally seen in synthetic material.

Read More

Fluorescence Spectra of Coloured Diamonds Using a Rapid, Mobile Spectrometer

Numerous natural-colour coloured diamonds from the Aurora Butterfly of Peace and other collections were studied using a new type of fluorescence spectrometer.

Read More

Article
Diamond Journey

Diamonds are among nature’s most precious and beautiful creations

Read More

Diamonds in Canada

This article chronicles the discovery of primary diamond deposits throughout Canada, whose increasing supply of rough stones will have a growing impact on the world diamond industry.

Read More