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The Ponahalo to Lead Christie’s Jewelry Sale

News | www.jckonline.com | Sep 18, 2008

Christie’s will hold two sales on Oct. 15: The first, Jewels: The New York Sale, will include numerous diamonds, colored diamonds, gems; And Superb 20th Century Jewels from an American Collection contains a collection of signed jewels. The two sales comprise of 273 lots and are expected to realize

http://www.jckonline.com/article/CA6597265.html?industryid=676

Cuff links sweep Schuetz design contest

News | www.nationaljewelernetwork.com | Sep 17, 2008

National Jeweler Network - NationalJewelerNetwork.com keeps industry professionals up-to-date on current affairs and trends affecting the jewelry trade.

http://www.nationaljewelernetwork.com/njn/content_display/colored_stones/e3ib3e645d8b7680ce5ba7afa8bacfc8b48

Untitled Page - Is it Pink or is it Padparadscha

For a gemologist to be a source of information the industry can depend upon, he has to keep up with the newest gems hitting the market. In turn, the gemologist must depend upon the industry to make him aware of new material and provide samples.

http://www.diamonds.net/news/ExportItem.aspx?ArticleID=6226&Action=Print

Padparadscha Treatment Surfaces

Several gem dealers as well as the American Gem Trade Association Laboratory are warning buyers about pink sapphires from Madagascar which have undergone a new form of heat treatment that alters their color into highly desirable pink/orange.

http://www.professionaljeweler.com/archives/news/2002/010402story.html

Labs Define Padparadscha

News | www.jckonline.com | May 1, 2006

Members of the Laboratory Manual Harmonization Committee have standardized the nomenclature they use to describe a padparad-scha sapphire. The seven member laboratories will define padparadscha as “a variety of corundum from any geographical origin whose color is a subtle mixture of pinkish orange

http://www.jckonline.com/article/CA6330319.html

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High-End Goods Lead Diamond and Gem Sales

News | www.jckonline.com | Aug 1, 2005

Diamond vendors noticed something surprising and gratifying at The JCK Show ~ Las Vegas: Retailers weren't just ordering, they were buying. Retailers are discovering that memo is no longer going to work, said Moshe Klein of Julius Klein. There are so many foreign and European buyers now. Retailers

http://www.jckonline.com/article/CA631149.html?industryid=668

'Gemstone Scandals' Headlines WSJ

News | www.jckonline.com | Jun 1, 2003

The April 17 edition of the Wall Street Journal's Marketplace section ran an article about bulk-diffusion-treated sapphires titled Gemstone Scandals. A companion piece about Canadian diamonds was called Political Correctness by the Carat. The lead story presents a brief history of the

http://www.jckonline.com/article/CA302672.html?industryid=668

Sapphire disclosure debate

News | www.jckonline.com | Jan 17, 2003

Calling it “bulk confusion,” C.R. “Cap” Beesley, president of the American Gem Laboratories in New York, says in a press release dated Jan. 15 that the term “bulk diffusion” for the most recent diffusion treated sapphire doesn’t help the end-user of a laboratory gem identification report.

http://www.jckonline.com/article/CA271240.html

Diffusion or not, the labs agree but others object

News | www.jckonline.com | Mar 1, 2002

The AGTA's Gemological Testing Center, the GIA's Gem Trade Laboratory, the Gübelin Gem Lab, and the SSEF Swiss Gemmological Institute have all agreed that the padparadscha-appearing orange-on-pink corundum recently encountered in the market is to be called simply treated sapphire-not diffusion

http://www.jckonline.com/article/CA227350.html

AGTA Lab Has New Padparadscha ID

News | www.jckonline.com | Mar 1, 2002

Ken Scarratt, director of the American Gem Trade Association's Gemological Testing Center (AGTA-GTC) says the lab now can determine clearer parameters for the color description of padparadscha sapphires. We didn't just home in on our own science or opinion, notes Scarratt. We talked to people in

http://www.jckonline.com/article/CA200063.html