Diamond Market
A new era begins for the diamond industry as ownership of mines changes hands. Huge increases in prices in the first half of 2011 show no signs of any correction and remain high despite average…
Diamond MarketColored Stone Market
The jewelry holiday season started with better than expected results. In bridal jewelry, the trend is to use more color, specifically sapphire and ruby. Tanzanite is regaining popularity with renewed interest. Untreated corundum prices are…
Colored Stone MarketCanadian Gem Conference 2012
Dr. Jeffrey Post, Curator of the mineral collection at the Smithsonian Institute, was the ideal choice for the opening lecture. His stunning images of some of the incredible specimens housed at the Smithsonian were capable…
Gem Market NewsChanging Premiums in Unenhanced Ruby
Several factors have contributed to the rise in unenhanced ruby prices over the last decade. Worldwide demand has been high with the well-publicized surge in recent years from emerging markets such as China and India…
Market TrendsAndesine Debate Continues
In the last issue of the Gem Market News, we printed an article by Richard Hughes, titled Faith: In Search of the Lost Andesine Mines. Hughes is a respected author and gem expert who has…
Gem Market NewsOf Beryllium and Beefsteak
Diffusion in gemology can be defined as a method of artificially coloring gemstones, not unlike the dyeing of cloth. Diffusion is actually a very common process that we meet in many different contexts. The dying of natural…
*Free Featured ArticlesAppraising an Aftermarket Rolex: A Case Study in Managing the Client and Appraiser Obligations
A simple Rolex watch can be an easy assignment once authenticated, by simply looking up the replacement value.
The Appraiser's NotebookRed and Yellow…Emeralds?
History tells us that emeralds are green. Gemology tells us that emeralds are green. In the late 1990’s one company started campaigning to refer to red beryl as red emerald, to market the rare gem…
Colored Stone MarketColored Stone Market
Market activity this summer remained light but conditions improved from the same period last year. Wholesale dealers continue to experience resistance from the retail level of the market. With inven- tory levels low, firms are…
Colored Stone MarketMarket Trends – Beryl
The beryl family consists of many varieties including emerald, green beryl, aquamarine, morganite, red beryl, heliodor (yellow), and goshenite (colorless). The GemGuide historically has priced five of these seven varieties. The rarity of red beryl…
Market Trends