Season’s Sales: US Up 4% to 5%, But China Continues to Lag
The U.S. holiday season saw strong sales, but China continues to struggle. Plus: diamond market report and lab-grown diamond sales.
Land of origins: A gemological expedition to Ethiopia
Vertriest W., Girma D., Wongrawang P., Aitkarnsakul U., Schumacher K. (2019) Land of origins: A gemological expedition to Ethiopia. Gems & Gemology, Vol. 55, No. 1, pp. 72-88.
Field gemology: Building a research collection
Vertriest W., Palke A.C., Renfro N.D. (2019) Field gemology: Building a research collection and understanding the development of gem deposits. Gems & Gemology, Vol. 55, No. 4, pp. 490-511.
A decade of ruby from Mozambique
Vertriest W., Saeseaw S. (2019) A decade of ruby from Mozambique: A review. Gems & Gemology, Vol. 55, No. 2, pp. 162-183.
Fancy Colors, History Ruled 2018 Auctions
World-class fancy colored diamonds and truly historic jewels highlighted the 2018 auctions, but total jewelry sales were down from 2017.
GIA’s First Research Intern: Genesis of a Gemologist
GIA’s Research Internship Program enables students to get hands-on experience analyzing gem materials, as well as ongoing coaching and mentoring.
US Holiday Season Opens Well, Despite Volatile Markets
The U.S. holiday shopping season is looking positive, despite signs that an economic slowdown may be coming in 2019. Plus, more auction sales records.
12月のブルー: 喜びをもたらす誕生石のギフト
大切な方に贈るギフトをお探しですか？12月の誕生石は、その方が12月生まれでなくても、すべての方の好み、スタイル、個性にピッタリ合ったギフトとなります。
マリー・アントワネットの宝飾品：価格を付けられないほど貴重な歴史
マリー・アントワネットの宝飾品の10点が、11月14日に行われたサザビーズのジュネーブオークションで王室のその他の宝石90点と共に驚異的な価格で落札されました。
歴史的書籍：Koh-i-noor（コ・イ・ヌール）ダイヤモンド
Futurescape Forum
A recap of the Futurescape Forum panel from GIA’s 2018 International Gemological Symposium.
Gem Localities and Formation
Poster abstracts on “Gem Localities and Formation” from GIA’s 2018 International Gemological Symposium.
New Technologies and Techniques
Poster abstracts on “New Technologies and Techniques” from GIA’s 2018 International Gemological Symposium.
Colored Stones and Pearls | Gems & Gemology
Abstracts of speaker presentations from the “Colored Stones and Pearls” session of GIA’s 2018 International Gemological Symposium.
Fall 2018 G&G Publication Information
This document provides the publication information for Gems & Gemology
Diamond Geology
Poster abstracts on “Diamond Geology” from GIA’s 2018 International Gemological Symposium.
Diamond Identification
Poster abstracts on “Diamond Identification” from GIA’s 2018 International Gemological Symposium.