U.S. Holiday Closure

In observance of the Thanksgiving holiday, GIA’s Carlsbad and New York locations will close at 3 p.m. local time on Wednesday, November 22 and remain closed through
Friday, November 24. Both locations will resume regular business hours on Monday, November 27.

featured Research & News

Fluorite containing two barite inclusions.
MICRO-WORLD

Quarterly Crystal: Barite in Fluorite

A fluorite specimen hosts two eye-visible, prominent white barite inclusions.
READ MORE
A 14.93 ct oval pink diamond is surrounded by a halo of colorless diamonds and mounted into a ring.
INDUSTRY ANALYSIS

Good Holiday for Retail; Fancy Colors at Auctions

Strong economy and rising confidence in employment and wages should lead to increased holiday spending.
READ MORE
A man and a woman sit at a table with a couple of dozen gems in front of them. They are looking at them and making notes.
ALUMNI SPOTLIGHT

Couple Creates Award-Winning Necklace

Alumni couple, inspired by their moms, creates beautiful jewelry – and a beautiful life – together.
READ MORE
LAB NOTE

Cat’s-Eye Kornerupine

An intensely chatoyant gemstone is revealed to be a rare specimen.
Read More
LR 216x122 blue green garnet
GEM NEWS INTERNATIONAL

Blue-Green Pyrope-Spessartine Garnet with High Vanadium

Garnets with a unique color and a previously unreported chemical composition are examined in GIA’s Carlsbad lab.
READ MORE

You Might Also Like

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