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 helps collectors, buyers, and estate executors navigate fine antique, vintage, signed, and estate jewelry.
Select a guide below to explore historical jewelry periods, designer signatures, maker’s marks, natural gemstones, diamond cuts, authentication, condition, and informed estate jewelry buying.
1. Antique, Vintage & Estate Jewelry
Learn how age, craftsmanship, historical period, condition, and provenance shape the identity and collectibility of fine jewelry.
- Antique vs. Vintage vs. Estate Jewelry
- Antique Jewelry Eras Explained
- Jewelry Condition, Alterations & Restoration
2. Designers, Hallmarks & Authentication
Explore signed jewelry houses, maker’s marks, metal stamps, construction details, and professional authentication standards.
3. Diamonds, Gemstones & Collecting
Understand historic diamond cutting, natural colored gemstones, and the essential considerations involved in purchasing estate jewelry.
About Kantor Gems: M. Kantor & Associates specializes in antique, vintage, estate, and signed fine jewelry selected for authenticity, craftsmanship, beauty, and enduring collector appeal.