Refractometer Guide, Part 1: Refractive Index Testing
A gem refractometer is the best tool for refractive index testing. Learn how to use this instrument to conduct this and other gem identification…
A gem refractometer is the best tool for refractive index testing. Learn how to use this instrument to conduct this and other gem identification…
Commentaries on the foundation stones of the Book of Revelation influenced the development of the Western birthstone system. Learn more about…
Gemstone inclusions are materials trapped inside gems as they form. Learn how gemologists use inclusions to help identify gemstones and their…
Proposing during a romantic getaway is a dream for many people. Learn how to prepare for a vacation proposal and what types of destinations might…
With bright rainbow iridescence, ammolite is sure to draw attention. Read about this gem’s unique quality factors before your next ammolite…
Independent report by the International Gem Society on the Best Engagement Ring Insurance on the Market in 2025.
Master citrine buying with our comprehensive guide. Learn quality factors, treatments, and pricing for this stunning yellow-orange gemstone…
There are few guides to gemstone wholesale prices. However, appraising gemstones requires in-depth knowledge and experience, not just price…
Choosing the right cut for a piece of gem rough is an art. Learn how to balance brilliance with color and other factors before cutting.