The Kantor Gems Collector’s Library

The Estate Jewelry Reference Library

Welcome to the Kantor Gems Collector’s Library. Backed by three generations of family expertise, this educational resource is built to provide collectors, buyers, and estate executors with the authoritative historical and gemological data required to navigate the world of fine antique, vintage, and estate jewelry.

Select a specialized category below to explore historical timelines, maker mark guides, identification frameworks, and authentication standards.


1. Foundational Collecting Guides

Master the historical baselines, authentication steps, and structural markers that define the estate market.


2. Gemstone, Diamond, & Material Education

Technical insights into historical cutting techniques, natural gemstone origins, and precious noble metals.


3. Architecture, Style, & Care References

Deep dives into specific jewelry configurations, historical buying frameworks, and archive preservation methods.