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Coronavirus May Cut Chinese Demand; Diamond Companies See Better Times

Russell Shor, February 10, 2020

The economic impact of the coronavirus in mainland China and Hong Kong. Plus, an update on the diamond market and gold jewellery.

Article

Mine to Market: The ‘Adventure Story’ of Coloured Stones

Jaime Kautsky, February 12, 2016

A GIA team travels the world to discover and document what happens as coloured gems travel from mine to market.

Many diamond dealers are facing high rough inventories in all sizes and qualities, except the largest goods. Some estimates place the stock overhang at three to four months. Photo by Robert Weldon/GIA

Article

De Beers’ Sight Highlights Market Disarray

Russell Shor, October 20, 2015

The results of the final De Beers’ sight for goods destined to be sold for Christmas were affected by manufacturers who had little appetite for rough that could not be cut profitably.

Article

De Beers Reduces Rough Prices – Too Little?

Russell Shor, May 19, 2015

De Beers reduces rough prices at May sight, undisclosed treated diamonds submitted to GIA, and Sotheby’s and Christie’s sales break auction records − again.

Synthetic Rubies by Douros: A New Challenge for Gemmologists

Henry A. Hänni, Karl Schmetzer, June 1, 1994

Greek manufacturer J. & A. Douros introduced a new flux synthetic ruby in early 1993.

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