Ruby Buying Guide
Our ruby buying guide can help you learn how rubies are graded, what to avoid, and how to identify a high quality stone or a bargain in the rough.
8 Minute Read
Related Articles
Ruby Gemstone Value, Price & Jewelry Insights
Discover everything about ruby gemstones — from value factors and origins to care tips. Learn what determines ruby prices and...
Read More
Do Natural Rubies Fluoresce?
Both natural and synthetic rubies fluoresce under UV light. Learn how slight differences in fluorescence patterns can help gemologists distinguish...
Read More
Ruby and Sapphire Grading Tools
What ruby and sapphire grading tools does a novice gemologist need? Learn how basic gemological equipment can help you identify...
Read More
Why We Love Montana Sapphires and Yogo Sapphires
With rich cornflower blue Yogo sapphires and fancy-colored gems in any color of the rainbow, Montana sapphires are a great...
Read More
Latest Articles
Gemstone Radiation Treatment
Gemstone radiation is a common but little understood technique for altering colors. Learn how it works and what gems usually...
Read More
Alternative Birthstones
Not happy with your birthstone? Explore these alternative birthstones associated with astrological signs, angels, the hour or day of your...
Read More
What is Moonstone Gemstone? Value, Price, and Color
Explore moonstone’s value, meaning, and properties. Discover why this gem’s shimmering beauty makes it a top jewelry pick!
Read More
21 Beautiful Pink Gemstones: A Complete Guide
Discover 21 stunning pink gemstones , including diamond, morganite, and tourmaline. Learn hardness, rarity, and pricing for each pink gemstone...
Read More
Never Stop Learning
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
Get Gemology Insights
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!