Diamond Certificates

Advanced Technology

GCAL Concludes Acquisition of Gemprint and other IP Assets

New York City, NY (May 04, 2011)– The Palmieri Group, founder and owner of GCAL (Gem Certification & Assurance Lab, Inc.), is pleased to inform the International Diamond and Gemstone Community that we have concluded the complete acquisition of all the business and assets of Gemprint®, the world’s most sophisticated, non-invasive diamond identification and registration system. The cash purchase included all of Gemprints’ worldwide patents, trademarks, copyrights, as well as, developmental prototypes, advanced software, databases (1978 – present) and all other remaining intellectual property relating to the identification, light performance, and diamond grading business, formerly owned by Collectors Universe, Inc.
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GCAL Express Opens in World Diamond Tower at 580 Fifth Avenue


New York City, NY (Jan 13, 2011) – Gem Certification & Assurance Lab, Inc. (GCAL™) has opened a high-tech, state-of-the-art, Express Office in the Main Lobby of the World Diamond Tower (580 Fifth Avenue, New York, NY). This Express Office, GCAL’s second location in the building, was opened to provide more transparent and accessible “while you wait” diamond, gemstone, & jewelry services to the trade and consumers... (read more)

GCAL CELEBRATES 10 YEAR ANNIVERSARY IN LAS VEGAS

New York City, NY (May 27, 2010) – Gem Certification & Assurance Lab, Inc. (GCAL™) will be offering free metal test analyses using a Thermo Scientific Niton x-ray fluorescence (XRF) analyzer to registered buyers and exhibitors at two major trade shows held in Las Vegas from June 1-3 (CBG @ Caesar’s Palace) and June 4-7 (JCK @ Sand’s Convention Center)... (read more)

GCAL Expands ISO Scope

New York City, NY (May 24, 2010) – Gem Certification & Assurance Lab, Inc. (GCAL™) passed its third annual ISO 17025 Audit in April 2010, and has expanded its ISO Scope for certification of Fancy Color Diamonds and Precious Metal Analysis... (read more)

MSNBC Today's Money: 5 things to buy! (Jun 19, 2009)
MSNBC Today's Money: 5 things to buy! (Jun 19, 2009)

PRESS RELEASE: May 26
Rare fancy color diamond rings for sale at JCK Show!

A collection of five rings, including an Extremely Rare Natural Fancy Red diamond and a Rare Natural Fancy Intense Blue diamond, are for sale at the JCK Show in Las Vegas. Donald A. Palmieri, President of Gemological Appraisal Association, is the court appointed sales agent and auctioneer for the Estate of Treasure Trove, Inc. The collection of Limited Edition Rings designed by... (more...)

GCAL's diamondprofile® Newsletter
(Spring 2009 Issue)

Welcome to the eighth edition of GCAL's Diamond Profile® Newsletter, covering a range of gemological topics, services, market information and new features on a timely basis.

GCAL's diamondprofile® Newsletter
(Winter 2009 Issue)

Welcome to the Seventh edition of GCAL's Diamond Profile® Newsletter, covering a range of gemological topics, services, market information and new features on a timely basis.

GCAL Earns ISO 17025:2005 Accreditation

New York (April 24, 2008)– After a rigid auditing period, Gem Certification and Assurance Lab (GCAL) was awarded ISO 17025:2005 accreditation, meaning that it conforms to recognized international standards for accurate and reliable grading. Specifically, this recognition means that GCAL's lab is rated among the most technically competent in the world.

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