Category: Featured Articles

The Making of a Pearl—Natural Nacreous Pearl

“This prince possesses the most beautiful pearl in the world, not by reason of its size, for it only weighs 12 1/16 carats, nor on account of its perfect roundness; but because it is so clear and…

A Look at Emeralds

Emerald is the most prized variety of Beryl. The use of emeralds in jewelry and objects of personal adornment date back more than two millennia. Emerald occurrences are known from North and South America, Europe…

Value Effect of Fluorescence

Fluorescence in diamonds continues to be a debated topic not only on its effect on value but whether diamond grading standards are consistent in the determination of the level of fluorescence. Ongoing discussions also concern…

Ethiopian Opal

For nearly a decade now, the new find of opal in Ethiopia has been both welcomed and debated on issues of stability and high water content. Some of the material can be quite beautiful and with the…

Jadeite, the Enigmatic Gem

Excerpt from the 2nd edition of Secrets of The Gem Trade, The Connoisseur’s Guide to Precious Gemstones by Richard W. Wise, GG (GIA) “On examining jades, one should regard those white in colour as the best, though…

The Power of Provenance

Aside from the gemstones and the workmanship, why do people buy what they buy? It is an age-old question. Marketing 101 teaches that you need to create a unique approach to positioning a product. What is more…

The Jewelry Industry Summit

In March, approximately 150 members of the international gem and jewelry industry met in support of enhancing transparency of the supply chain. The meeting was held at the Fashion Institute of Technology in New York. Participants came…