Andrew Lucas, Nirupa Bhatt, Manoj Singhania, Kashish Sachdeva, Tao Hsu, and Pedro Padua, January 26, 2017
Examines Jaipur’s role as a coloured stone cutting and jewellery manufacturing centre, with profiles of 17 companies and their factory, trading and retail operations.
Read MoreAndrew Lucas, Armil Sammoon, A. P. Jayarajah, Tao Hsu, and Pedro Padua, October 31, 2014
Offers a first-hand look at Sri Lanka’s mining, cutting, jewellery manufacturing and retail sectors, where tradition and innovation converge.
Read MoreJohn King, James E. Shigley, and Claudia Jannucci, January 30, 2015
Describes the extremely rare polished pink diamonds from Australia’s Argyle mine that have been sold for 30 years through invitation-only tenders.
Read MoreRussell Shor, January 30, 2015
Examines the growing percentage of rough diamonds being sold through auctions, a shift that has caused price volatility while opening up supply to more manufacturers and dealers.
Read MoreEloïse Gaillou, Jeffrey E. Post, Keal S. Byrne, and James E. Butler, January 30, 2015
Presents spectroscopic and phosphorescence data of the Blue Moon, a 12.03 ct Fancy Vivid blue diamond discovered at the historic Cullinan mine in early 2014.
Read MoreLe Thi-Thu Huong, Wolfgang Hofmeister, Tobias Häger, Stefanos Karampelas, and Nguyen Duc-Trung Kien, January 30, 2015
Reports preliminary findings—based on FTIR and Raman spectrometry of more than 300 samples—on distinguishing natural and synthetic emeralds using vibrational spectroscopy.
Read MoreA. J. A. (Bram) Janse, June 1, 2007
Historically, global rough diamond production has fluctuated greatly due to a myriad of causes, many of which are explored in this article.
Read MoreHerbert S. Pienaar, December 1, 1982
The discovery and gemmological properties of gem-quality friedelite.
Read MorePeter C. Keller, June 1, 1983
A new display area has helped this unique museum to establish itself as one of the finest gemmology exhibits in the world.
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