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A 14.93 ct oval pink diamond is surrounded by a halo of colorless diamonds and mounted into a ring.

Retail Group Sees Good Holiday; Fancy Color Diamonds Cap Auction Season

Russell Shor, November 13, 2017

Strong economy and rising confidence in employment/wages should lead to increased holiday spending.

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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 Marry – and Create Award-Winning Fluorescent, Phosphorescent Diamond Necklace

Jaime Kautsky, November 3, 2017 Topics: Jewelry

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

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Fall 2017 Gems & Gemology

Fall 2017 G&G: HPHT Synthetic Diamond Review, Radiocarbon Dating of Pearls from the New World, and Colombia’s Evolving Emerald Industry

Jennifer-Lynn Archuleta, October 31, 2017

A summary of the Fall 2017 issue of Gems & Gemology.

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192028-300x169-large-rough-lucara

Retail Jewelry Sales Up in US, But Wage Gains Drag

Russell Shor, October 23, 2017

Retail jewelry and watch sales ahead of 2016, but wages still lag and limit disposable income.

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The Argyle Pink Diamonds in a row: oval shaped Fancy Deep pink, cushion cut Fancy purple pink, cushion cut Fancy Red, radiant shaped Fancy red and radiant shaped Fancy Deep gray violet.

Hong Kong Show 2017: Demand Improved, But Still Spotty

Russell Shor, October 20, 2017

A report on the September show, including the Argyle tender, synthetic diamonds and colored gems.

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Red spinel, Burma ruby

A Case of Mistaken Identity?

Sharon Bohannon, October 20, 2017

Don’t judge a gem by its color alone. Many clues can help you differentiate between gems of similar colors. See if you can figure out these gems.

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Tips From the Bench
How to Modify a Goldsmith Hammer

Compiled by GIA’s Jewelry Manufacturing Arts Instructors
 

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Library
The First Point of Reference for Gems and Jewelry

Located on GIA's Carlsbad campus, The Richard T. Liddicoat Gemological Library and Information Center is the largest, most complete library of its kind.

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