Research Article Search Results
The Glory of Green Gems
Green gemstones, which can uplift and heal our spirits, have been popular gem choices ever since we began to adorn ourselves with jewelry.
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.
Fine Corundum, Demantoid Garnet
Chinese Freshwater Pearl Culturing, Overall Market Summary
New Production of Brazilian Emerald from Minas Gerais
Emerald from the Belmont and Montebello mines of Minas Gerais, Brazil seen at the GJX show in Tucson.
Cultured Pearl Market Update
An up-close look at the cultured pearl’s role in the gem and jewelry industry.
Larger Optic Disks
Exceptional innovations using gem and mineral rough at Tucson’s GJX show.
Mozambique: A Ruby Discovery for the 21st Century
Explores the geology, production, and yield of the world’s most commercially important ruby deposit.
GIA Lab Reports on Low-Temperature Heat Treatment of Mozambique Ruby
Report on changes in Mozambique ruby following low-temperature heating, observed using inclusion analysis, FTIR spectroscopy, and LA-ICP-MS.
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.
