Emeralds are a welcome business for Ethiopia. The recently discovered gemstone deposits in Ethiopia contribute to the utterly needed economic growth of this East African nation. A few years ago, during an interview on international TV, a…
*Free Featured ArticlesMelee diamonds may be the best example of the problem gemologist-appraisers face in this new struggle for gemological truth.
*Free Featured ArticlesThe jewelry industry has a chance to make a real difference in the health and quality of life for millions of artisanal gold miners, their families and communities. Metallic mercury is a permanent, potent neurotoxin that is increasingly pervasive in the global environment. We can take action to reverse this trend.
*Free Featured ArticlesTitanite, as it is known to modern mineralogists for its significant titanium content, was first recognized as a new mineral by the great German chemist Martin Heinrich Klaproth in 1795. Soon after its discovery, in 1801, the wedge-shaped crystals inspired the mineralogist Rene Just Haüy, the name bearer of mineral hauyne, to introduce the name “Sphene” after “sphenos,” meaning wedge in Greek.
*Gem Focus & Market Pulse (Free Subscriber)Since lab-grown diamonds are now produced by many manufacturers and the cost to produce varies, we find that there is often a greater range of pricing when researching.
Lab-Grown Diamond Price IndexHow convenient it is to use a price guide to retrieve prices for diamonds and colored stones. Merely adding a markup to determine a value seems too easy. Some gurus of valuation theory are emphatic that price guides should be banned. Other experts embrace price guides as a key part of the process.
*Free Featured ArticlesAfter more than a decade, Greenlandic ruby has entered the market in commercial quantities. The combination of affordable pricing and traceable sourcing meet the needs of the current market climate. The flux healing of the…
*Free Featured ArticlesIdentifying an old European cut diamond may seem simple but there is a set of GIA standards that determine from their perspective whether it is or is not. This set of standards is not widely…
*Free Featured ArticlesIn this comprehensive article, the author discusses the value factors of colored gems in five parts. Parts one and two appeared in Gem Market News, January/ February 2016, Volume 35, Issue 1. Parts three and four appeared in Gem…
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