GIA Diamond Informational Videos

The 4 C's

The History Of The 4 C's

How To Choose A Diamond

A Gorgeous Short Video

Shaping A Diamond

Diamonds by GIA
Contact Katz Jewelry

Katz Jewelry Company New York

We’re an established jewelry shop in New York City with a reputation for honesty, distinguished service and exquisite jewelry. Our prices make our pieces accessible to all.

Call to discuss your jewelry, diamond or gemstone needs:

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