Up, Up, and Away! On April 16, the Princie pink diamond sold for $39.3 million making it the most expensive jewel ever sold in Christie's New York auction houses 200+ year history. Everyone you talk to today…
*Gem Focus & Market Pulse (Free Subscriber)Dr. George Harlow, curator of minerals and gems at the American Museum of Natural History, New York explained the mineralogy and the geochemistry of the Mogok metamorphic belt. Mogok has been the source of fine…
Featured ArticlesAs more companies entered into this technology, known as fracture-filling, or clarity enhanced (CE), the door became wide-open for vendors to assign the clarity grade of their choosing. While we at Northwest Gemological Laboratory have…
News ArchiveRecently an experienced bench jeweler and custom designer submitted a diamond to Gemworld for a damage report. The diamond had apparently developed an eye visible break in the crown during an otherwise routine retipping job…
Gem NotesThe natural fancy color diamond category has performed extraordinarily well during the past decade. Fancy colored diamond prices are driven by some of the same factors driving the strong interest in important collection grade natural…
Market TrendsBlack stones have been in vogue for some time even sold as loose stones on the TV or Internet. See figure 1. While originally these may have been black diamonds set in expensive jewelry, we…
Featured ArticlesThe best known localities for precious opal have long been Australia, although, among others, Mexico, several states in the west of the USA and Slovakia have yielded precious opal over the years. Only recently a…
Featured ArticlesBusiness in the international gem market is reportedly way off this spring. Supply is tight in the high end goods and small scale investment in production is lagging. The excitement that colored stone dealers had…
Colored Stone MarketAt the last DeBeers site in April, rough prices were increased by an average of 3%. Stones in the one to two carat range and above 5 carats had higher increases. Since boxes were already…
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