News Archive

Colored Stone Market

The economy figured prominently into the recent changes to the fall/winter edition of the GemGuide Color. In many categories prices have held stable with spring/summer levels. The slowing market has negated some of the increases…

Diamonds in Brief

In past issues of the GemGuide Diamonds, we have witnessed big increases in diamond prices, especially in larger diamonds. Now, it appears that the diamond market may have temporarily peaked and experts are predicting that…

KM Diamond

A gemologist colleague, Jim Swenton, relayed this gem note to us. Looking for a diamond for a customer, he had requested a diamond on memo from a supplier. The diamond came in with no indication of treatment…

Diffusion Star Sapphire

A local dealer brought in the ring shown here for identification. The large sapphire mounted in a mans ring was reportedly belonging to the father of a client. The father had passed away and the…

Synthetic Peridot Gem Alert

Things are not always what they appear to be. In todays world, new treatments and synthetics are appearing on a more regular basis. Many of these newer treatments, imitations and synthetics are getting harder to…

Instruments

Im So Confused Such a simple thing, yet it turns out to be somewhat complicated and controversial. At times it is a one-size- fits-all list of all the instruments the appraiser has in his or her…

Colored Stone Market

By now you have heard that President Bush has signed the bill that tightened sanctions against the Burmese government and effectively closed the loophole that allowed the importation of products originating in Burma into the…

Diamonds in Brief

As the industry moves into the fall season, all are guarded anticipating what the holiday shopping will be like. Often make or break, the whole year can rely on just these few months. The slightly…