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Learn About Gems
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NGC Blog
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Contact Us

Gemstone Forecaster Newsletter

Published quarterly, the Gemstone Forecaster keeps you up-to-date with the latest happenings with gemstones.

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Vol. 41, #2, Summer 2023

Jun 18, 2023, 12:08 PM

Two Controversial Rubies Hit The Auction Markets, Gemstone News, Diamond News

ABOUT US

Dealers specializing in world class independently graded American Gemological Laboratories (AGL) Burma ruby and sapphire, Burma spinel, Colombian emerald, collector gems and Gemological Institute of America (GIA) graded fancy colored diamonds.

Robert Genis is the President of National Gemstone, which was founded in 1982 and has been on the net since 1995. Robert has over 40 years experience in the field. He is frequently quoted in the national press including the Wall Street Journal and the New York Times. Robert has written numerous articles on gem collecting/investing. He is also the editor of The Gemstone Forecaster newsletter and was the colored gemstone editor for the Rapaport Diamond Report from 1997-2007.

NGC has been recognized and recommended as a reputable dealer by PreciouStones Newsletter, The Gem Market Reporter, Wealth, Personal Finance Newsletter, The Retirement Letter and The Dow Jones-Irwin Guide to Fine Gems and Jewelry.

contact us

P.O. Box 42468
Tucson, AZ USA 85733

1-800-458-6453
1-520-577-6222

rgenis@preciousgemstones.com