Jewelry Identification & Appraisal Directory

Expert research articles and reference guides to assist jewelers, collectors, and enthusiasts in identifying, dating, and valuing fine jewelry.

Hallmarks & Metal Purity

British Sterling Silver 925 Hallmarks Identification Guide

Learn how to decode British sterling silver hallmarks, identify the Lion Passant, town marks (London, Birmingham, Sheffield), and date letters from 1700 to present.

  • Silver Hallmarks
  • Sterling 925
  • British Silver
Hallmarks & Metal Purity

Gold Purity Stamps & Karat Hallmarks Identification Guide

Comprehensive guide to decoding gold hallmarks, karat stamps (10k, 14k, 18k, 24k, 585, 750), maker's marks, and testing techniques for antique and fine jewelry.

  • Gold Hallmarks
  • Metal Purity
  • Jewelry Identification
Carved Gems & Cameos

Antique Cameo Jewelry Identification & Value Guide

Learn how to identify genuine shell, hardstone, coral, and glass cameos, evaluate carved portrait details, date hardware clasps, and spot molded plastic fakes.

  • Cameos
  • Antique Jewelry
  • Carved Gemstones
Official iOS App

Download The Jewelry Appraisal iOS App

Scan hallmarks, identify gemstones, and appraise antique & fine jewelry instantly on your iPhone & iPad with AI.

Download on the App StoreFree Download • Designed for iPhone & iPad