Amethyst Buying Guide
Long valued for its purple color and symbolic associations, amethyst is a versatile gem. Our amethyst buying guide can help you pick an excellent stone.
3 Minute Read
Related Articles
Amethyst Gem, Price, and Jewelry Information
Discover everything about amethyst gemstones — from their meaning and properties to color variations. Learn about this purple February birthstone's...
Read More
What is the Average Gemstone Faceting Yield?
What’s the average gemstone faceting yield from a single piece of rough? Learn how to estimate how much material you’ll...
Read More
13 Stunning Purple Gemstones: From Amethyst to Fluorite
Explore 13 beautiful purple gemstones for every budget and style. Learn about amethyst, tanzanite, purple sapphire, and rare purple varieties...
Read More
Crystalline Quartz Buying Guide
Although often overlooked, quartz is available in many styles at reasonable prices. Our crystalline quartz buying guide can help you...
Read More
Latest Articles
Milarite Value, Price, and Jewelry Information
Very rare milarite crystals can occur in green and yellow colors. Transparent material can yield small but pleasant looking faceted...
Read More
Appraising Pearls: How to Grade Pearls
Novice gemologists and jewelers may find appraising pearls difficult. Our guide will show you how to appraise and grade different...
Read More
Agate Buying Guide
Decorative, patterned forms of agate are excellent natural gems. Learn more about agate's mesmerizing patterns in our agate buying guide....
Read More
Carving Techniques for Handling Inclusions in Transparent Gems
Inclusions don't have to result in a loss of mass or value when cutting transparent gems. Learn how to manage...
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!