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Jeweled Butterflies Welcome Spring
U.S. Retail Sales Remain Cautious
Caution continues so far in 2015. The numbers for jewelry retail sales, De Beer sights and Sotheby’s and Christie’s auction sales tell the story.
De Beers Reduces RoughPrices – Too Little?
De Beers reduces rough prices at May sight, undisclosed treated diamonds submitted to GIA and Sotheby’s, Christie’s sales break auction records − again.
Near-Colorless Melee-Sized HPHT Synthetic Diamonds Identified in GIA Laboratory
The Bangkok lab examines near-colorless HPHT synthetic diamonds in melee sizes.
LPHT-Annealed Pink CVD Synthetic Diamonds
The New York lab examines three pink CVD synthetic diamonds which have received LPHT annealing treatment.
Special Jewelry Collection Showcases Innovative Designs, Techniques
The GIA Museum showcases contemporary jewelry pieces donated by the American Jewelry Design Council.
Summer 2015 G&G: Dual-Stars, Photomicrography Guide, Rubies from Tajikistan, New Micro-World Section
G&G Brief presents an overview of the content of the Summer 2015 issue of Gems & Gemology.
Conversation with Jewelry Designer Martin Katz
From micro-pave to mega-watt glam, jeweler Martin Katz dazzles Hollywood stars and titans of industry alike. The award-winning designer shares his love of flying, why puka shells matter, and the blue diamond he’ll never forget.
Fall 2015 G&G: Trapiche Emeralds, Synthetic Diamonds and a Large Diamond Source
G&G Brief presents an overview of the content of the Fall 2015 issue of Gems & Gemology.
Letseng’s Unique Diamond Proposition
Explores the history, geology, and current production of this unique source of large diamonds.
Rough Diamond Fragment with a Large Green Cleavage Surface
A colorless diamond crystal fragment shows an eye-visible bluish green internal induced radiation stain that developed in a near-surface environment.









