News Archive

Market Trends: Tanzanite

The lead story discusses the price volatility associated with tanzanite through the years. The following charts illustrate this for the years since 1993. All graphs represent average prices in each category, not the high or…

Diamonds in Brief

Vegas Diamond Roundup The Las Vegas trade show is behind us now and as a barometer of the industry, it could be a rocky road ahead. The traffic was definitely down, and diamond sales were much…

Colored Stone Market

Despite the slowdown in sales for the U.S. jewelry industry, the colored stone market is experiencing growth. Last year was a record year for colored stone imports into the U.S. Among the leaders was emerald. Colombian…

Diamond Flash Effect

Two years ago, we wrote about the distinct difference between natural strain in a diamond and the flash effect seen in glass-filled diamonds. Mostly, separation of the two should be easy, yet we have seen…

Market Trends: Emeralds

The lead article goes into great detail regarding the fall and rise of emerald prices over the last decade plus. The graphic above illustrates this. Prices in the graph are for one carat emeralds with…

Diamonds in Brief

According to IDEX trading network, global diamond prices are up slightly for the early part of the year. After a steady year in 2006, prices started to move slightly in 2007. The last few weeks…