Conch Pearl Buying Guide
Considering a conch pearl buying trip to the Caribbean? Quality factors for these gems differ from colored gemstones. Before you make a purchase, learn to evaluate their unique flame structure and other features.
5 Minute Read
Calcareous Concretions Value, Price, and Jewelry Information
Quahog Pearl Buying Guide
Melo Pearl Buying Guide
Seven Famous Pearls and Their Histories
Ten Rare and Expensive Engagement Ring Stones
Eight Famous Sapphires and the Stories Behind Them
How to Dry Opals Safely
Rose Quartz Value, Price, and Jewelry Information
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!