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Guides

Guide on AGS’ cut grade system

December 01, 2013

Read on how AGS’ cut grade system advances to maximize sparkle of a diamond and on the AGS' buying tool that has a way to show consumers how cut gives a diamond its dazzle.
$15.00




A Guide to Estate Jewelry

May 01, 2013

Read about the great jewelry houses that designed brand jewelry and created an artistic legacy. This guide also discusses how to grade vintage diamonds according the new cut standards. Also includes information about famous royal and celebrity jewels that made for notable auctions, a timeline of the twentieth century and styles, the terminology of the estate jewelry market, how to identify real or faux estate jewelry and more.
$15.00




Rapaport Global Guide to Gemological Laboratories

November 07, 2012

Rapaport’s comprehensive guide to over 60 gemological laboratories around the world including contact information, special equipment employed, services, certificates, and educational programs offered.
$15.00




Key to Certs

September 10, 2012

A complete guide to the most important Diamond Certificates including certificates from AGL, AGS, EGL USA, GIA and more.
$15.00




Credit and the Diamond Industry

April 01, 2011

Looks at changing credit terms since 2007, the effect on the global diamond industry with a focus on the US, and an in depth look at ‘memo goods’.
$15.00




Guide to HPHT Diamond Treatments

April 04, 2008

Includes research on HPHT treated Chinese yellow Diamonds, GIA's Policy on HPHT-processed Diamonds, an interview with Edi Yagudaiev, information on the DTC Gem Defensive Program, yellow-orange gem diamonds produced by HPHT and more
$15.00




Guide to Synthetic Diamond Treatments

August 03, 2007

Discusses the LA-ICP-MS technique or detecting diamond treatments, the changing face of internal laser drilling, an explanation of gem quality CVD Synthetic Diamonds, a discussion of topical coating and more
$15.00




Anatomy of a Cert

November 04, 2005

Examines the grading certificates of the four largest gemological laboratories: AGS Laboratories, EGL USA, GIA and IGI.
$15.00




Rapaport’s Global Guide to Gemological Laboratories

November 04, 2005

Rapaport’s comprehensive guide to over 60 gemological laboratories around the world including contact information, special equipment employed, services, certificates, and educational programs offered.
$15.00




Guide to Diamond Cut

October 07, 2005

Extensive look at the GIA’s Diamond Cut Grading System including detailed information on proportion measurement, polish and symmetry. Also explains the cutting techniques of painting and digging out.
$15.00




Rapaport’s Global Guide to Mines

January 02, 2004

Rapaport’s guide to the 16 most important mines across the globe including location, owner, carats per year, average cost per carat, and marketing information.
$15.00

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