News Archive

Market Trends: Blue Sapphire

Blue sapphire forms the backbone of the U.S. colored stone industry. It is the most popular of colored stones sold at retail in the U.S. It has benefited from favorable supply issues for the past…

Coated Tanzanite

In late May, the American Gem Trade Association-Gem Testing Center informed the industry that the lab had identified several tanzanite gems that had been color enhanced by coating. As is often the case, the discovery…

Diamonds in Brief

U.S. retail sales may be headed much lower over the summer months, but if there is some good news, the Financial Forecast Center is predicting a healthy spike in retail sales this fall. Recent news…

Paraiba Lawsuit

In April 2008, gem dealer David Sherman sued the Gemological Institute of America, the American Gem Trade Association,and several of the officers of the latter organization. The officers were named due to their role as…

Colored Stone Market

The JCK Vegas Show provided an opportunity to assess the current market. Activity is about what should be expected during the summer months, and that is quiet. But this year the sense of inactivity is…

Market Trends: Ruby

Given the recent price volatility in the ruby market, it is worth revisiting the ruby price trend again. There are some size/quality combinations that have seen a significant price increase during the 12 month period…

High Marks

So, you've always dreamed of owning an authentic Lalique plique jour enameled dragonfly brooch with opal hind wings and eyes of demantoid garnets. In this desire you are not alone. It is classic jewelry at…