During a December trip to the 2012 GIT Conference in Bangkok, Thailand, the author purchased several blue stones claimed to be (Cobalt) Coglass filled sapphires. General observation seemed to confirm the blue sapphire color with…
Gem NotesThe members of the annual Friday morning pearl walk organized by GemGuide advisor Lois Berger experienced the changes first hand. Dealers representing each of the major cultured varieties—Akoya, Tahitian, South Seas and Chinese Freshwaters—were reporting…
News ArchiveThe Milenyum Diaspore mine is the world’s only known deposit of gem quality Diaspore. The mineral diaspore is mined in many locations around the world, but no other are currently known that produce this beautiful…
Featured ArticlesThailand has been known as the center of colored stone trading for decades. Gem trading not only has a prominent role in Thailand’s economy but also influences the world gem and jewelry market. The Gem and…
Featured ArticlesFollowing the GIT Conference in Bangkok, a three day excursion visited legendary ruby mines in Chantaburi, Thailand and Pailin, Cambodia. This truly unforgettable experience of covering two countries within three days was a rare opportunity not…
Featured ArticlesRough prices are stable. Slight decreases still felt in some diamond categories but expectations are for possible increases later in the year. Antwerp markets still apprehensive with bank changes there. In the US, SI and…
Diamond MarketWith better than expected attendance and serious buyers, Tucson exceeded expectations for most gem dealers. The high end is still strong but the middle is slowly coming back. Red, pink, and lavender spinel colors all…
News ArchiveThe February Tucson Gem Shows were better attended than at any time in the past few years. Buyers were searching mostly for finer quality material. Red, pink, blue and green gems were particularly popular as…
*Gem Focus & Market Pulse (Free Subscriber)Pearls, especially the Chinese Freshwater varieties, have been one of the bright spots for the industry during a sluggish economic period where other gem industry products were facing tremendous pressure in the marketplace. The main…
*Gem Focus & Market Pulse (Free Subscriber)Synthetic and treated diamond melee continues to plague the industry. Auctions continue to amaze with record prices on diamonds. Mixed US markets heading into the holidays. Belgium exports rise but US is third in world…
Diamond Market