featured Research & News

LAB NOTES

Melee Diamond Parcel Containing Nearly One-Third CVD Synthetics

GIA Melee Analysis Service reports a significant number of CVD synthetic diamonds in a parcel.
Read More
Featured Article

Diamond Producers Aim for Lower Qualities in Today’s Market

The average value of rough diamonds mined last year took a sharp drop, while demand has trended toward smaller stones and lower qualities.
Read More
MICRO-WORLD

Kyanite: A Rare Blue Guest in Diamond

An unexpected crystal within a diamond helps to identify the gemstone’s geologic origin.
Read More
GEM NEWS INTERNATIONAL

“Sango Pearl” from Japan

A study of a pink Japanese akoya cultured pearl yields information about the material’s color origin.
Read More
INDUSTRY ANALYSIS

Hurricanes Harvey, Irma May Wreak Havoc on Luxury Sales, Too

The devastating damage of Hurricanes Harvey in Texas and Irma in Florida will likely take a toll on luxury sales.
Read More

You Might Also Like

Find a Retailer
learn more
Shop the Campus Store
Learn More
Quality Assurance Benchmarks
Learn More
Summer 2017 Gems & Gemology
G&G Summer 2017 Edition
Learn more