Among colored stones, blue sapphire has always been the most important in terms of sales. We provide this review to help jewelers, traders and appraisers to better understand this classic precious stone.
Featured Articles“The original white buffalo stones are not turquoise, they are dolomite, and are Located in esmeralda county just west of Tonopah, Nevada, as it’s just on the edge of Nye. Dry Creek is known for having white turquoise which some called ‘sacred buffalo’ but is a separate stone from white buffalo.
Featured ArticlesI spoke with a number of colleagues and young designers that were featuring fair mined gems, gold and native jewelry of Africa and South America’s Amazon.
Featured ArticlesLaboratory-grown diamonds are seemingly a part of every conversation these days in our industry. Production is currently growing at a rate that would seem to exceed the industry’s capacity to consume. This year, the JCK Las Vegas Show featured a pavilion dedicated to laboratory-grown diamonds.
Featured ArticlesNestled in a lush, forested valley in the Vosges Mountains, in northeastern France, lies the sleepy, traditional town of St-Marie-Aux-Mines. But it's not just any French village. For most of the year, day-to-day routine continues…
Featured ArticlesFor the first in our series on innovators in jewelry design, we are focusing on Philip Zahm, president of Philip Zahm Designs. Well established as a dealer of fine gemstones for decades, Zahm has been…
Featured ArticlesRecent developments have brought ‘due diligence,’ along with tracking and traceability, to the forefront of discussions and requirements in the diamond, colored stone and pearl industries (Hänni and Cartier, 2013;Archuleta, 2016; Cartier et al., 2018…
Featured ArticlesOne evening last January, I just couldn’t get to sleep. As I lay in bed wondering what I could do to pass the time, it struck me, “I will look for gemstones on eBay.” Little…
Featured ArticlesA common question among valuers is how to value items purchased in different markets. Many factors influence the price, cost, and value. Another consideration is the use of price guides and how the international markets…
Featured ArticlesBranding provides individuality to a gem beyond its beauty, rarity and durability. Its purpose is to add value to the subject material. However, when done loosely, it can result in a misleading interpretation of a…
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