Provenance of Pink Diamonds
Fancy colored diamonds are breaking all records at auctions for price paid per carat. Blue and red diamonds are considered the most expensive natural gems by weight in the world.
Featured ArticlesColored Stone Market
The jewelry industry, like so many, has been severely impacted by the virus. Conflicting reports have some claiming sharp declines in prices, others no real change. Mining companies have mostly closed down. With no rough surplus to push prices lower, prices are not decreasing yet, but could if the situation does not improve soon. Social media selling has been successful as a backup to many companies. Designers and custom jewelers are still buying, even if lower price points.
Colored Stone MarketConsiderations to Valuing Colored Diamonds
The market for natural fancy color diamonds experienced substantial growth during the past two decades. This market expansion resulted from a combination of increased supply and a well-organized marketing campaign that grew consumer demand for previously less desirable grades and colors.
Featured ArticlesEmeralds from Ethiopia
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 ArticlesA Colorless Nightmare
Melee diamonds may be the best example of the problem gemologist-appraisers face in this new struggle for gemological truth.
*Free Featured ArticlesMercury Free Mining: An Exquisite Opportunity to Make a Global Difference
The 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 ArticlesGem Focus April 2020: Sphene: A Mineral Emanates Fire with Two Names.
Titanite, 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)Lab Grown Diamond Price Index 2nd Quarter 2020 Market Report
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 IndexPrice Guides – Friend or Foe?
How 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 ArticlesGreenland Ruby
After 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 Articles