Sundance Opens Testing Center in Israel

News  |  www.jckonline.com | Oct 21, 2008

Sundance Diamonds, a high pressure high temperature diamond processing company, has opened a diamond testing service in the Brink’s office of the Israel Diamond Exchange in Ramat Gan, Israel.

http://www.jckonline.com/article/CA6607189.html?rssid=224

Untitled Page - GIA On Synthetic Diamonds

James E. Shigley, Ph.D. Director of Research Emanuel Fritsch, Ph.D. Manager, GIA Research Distinctive Features of Synthetic Diamonds Recently, GIA researchers had the opportunity to examine a 0.42 ct near-colorless synthetic diamond crystal from Russia. The crystal was loaned to GIA Research by Mr.

http://www.diamonds.net/news/ExportItem.aspx?ArticleID=888&Action=Print

Laboratory-Grown Gems

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

Laboratory-Grown Gems By Gary Roskin, G.G., FGA, Senior Editor -- JCK-Jewelers Circular Keystone, 5/1/2005 >> Questions << Synthetic tanzanite is also known as: A. Blue moissanite B. Blue glass C. Synthetic purple/blue sapphire D. None of the above—there's no such thing as synthetic tanzanite

http://www.jckonline.com/article/CA529243.html?industryid=20007

HRD Research introduces screening device for treated and synthetic diamonds

News  |  www.jckonline.com | Nov 15, 2004

HRD Research on Monday presented a new screening device at the third Antwerp Diamond Conference. Called the D-Screen is, the organization said it is the first compact, affordable device able to distinguish natural from synthetic colorless or near-colorless polished diamonds.

http://www.jckonline.com/article/CA480429.html?industryid=668

Seminar touts American gems

News  |  www.jckonline.com | Jun 3, 2004

“Buying and selling American gemstones is much more than just a patriotic cliché,” said Gary Roskin during a Thursday morning seminar titled “Mined in America.” “It just makes good gemological sense.” Roskin pointed out that we can’t control what happens to all gemstones, but U.S. law and close

http://www.jckonline.com/article/CA423261.html?industryid=668

AMR Highlights 2002 Diamond Auction Results

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

The December 2002 edition of Auction Market Resource (AMR), Rego Park, N.Y., features a special section dedicated to certified colored and colorless diamonds sold at auction. The publication includes market trends and gemological information intended for estate and second-hand jewelry dealers and

http://www.jckonline.com/article/CA295699.html

Diamonds

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

Diamond. Adamas, the invincible; the unconquerable. The hardest substance on earth. Ice. Transparent carbon, without color, and without rival. Grade them D, E, or F, and you have a colorless diamond. These are the top grades in the Gemological Institute of America diamond grading scale. (No, there

http://www.jckonline.com/article/CA244806.html

A Key to Synthetic Diamond ID?

News  |  www.jckonline.com | Feb 1, 2001

Most retail jewelers show little interest in synthetic near-colorless diamonds, since widespread commercial availability still looks to be a few years off. Nevertheless, one gemologist has been working to prevent the inevitable retail jeweler's nightmare: unwittingly buying and selling a synthetic

http://www.jckonline.com/article/CA64663.html

Letters

News  |  www.jckonline.com | Oct 1, 1999

Platinum Safety With platinum becoming so popular, I am greatly concerned about the health and safety of our service people who start to work with the metal without knowing the dangers to eyesight or the possible damage to the skin. The trade is careful not to tell of the permanent eye damage that

http://www.jckonline.com/article/CA635054.html?industryid=46018

New & Hot In Tucson

News  |  www.jckonline.com | Apr 1, 1998

Tucson’s gem and mineral shows are the most important loose colored gemstone shows in the world. For a week or two in early February, the city boasts the widest variety of gemstones and gem-related information available anywhere in the world. What started as an event sponsored by a local gem and

http://www.jckonline.com/article/CA6250496.html?industryid=46018