Lab Grown Diamond Price Index 3rd Quarter 2020 Market Report
However, lab grown diamond producers debate the long-term pricing and do not think prices will tumble.
Lab-Grown Diamond Price IndexGem Focus July 2020: Pariba Tourmaline
Clarity enhancement; probably the oldest gem treatment method...
*Gem Focus & Market Pulse (Free Subscriber)Diamond Market News
The diamond market around the world, and especially in North America, has entered unknown waters as far as accurately predicting what’s coming down the pipeline. Diamond “experts” continually weigh in with their predications of what…
Diamond MarketDemand and Someone Will Supply
Sometimes the most basic of questions is the best question. For example, why do markets exist? Most everyone has heard about “supply and demand.” To be blunt, one should view the relationship between supply…
The Appraiser's NotebookHeat Treatment Experiments of Corundum – Development of a Before/After Collection
Color modification of ruby and sapphire by heat treatment processes has a long tradition in the gemstone industry. First written reports by Bhojarajah and Al Beruni date back to the 11th century (see Hughes, 2017),while…
Featured ArticlesParaiba Tourmaline
Tourmaline is one of the most popular and complex gemstones and has a long history. Due to its rich chemistry and growth conditions, it comes not only in many different colors but also in unusual…
Market TrendsColored Stone Market
In Asia, jewelers report improving sales as consumers spend on luxury. In the USA, cautious mood greets traders as more markets emerge from COVID-19 closures. A range of colors are expected to see good demand…
Colored Stone Market