Star Sapphire Value, Price, and Jewelry Information
Star sapphire is a type of sapphire that displays asterism, a star-like optical effect.
By International Gem Society, updated on
Start an IGS Membership today
for full access to our price guide (updated monthly).Star Sapphire Value
See our article called Phenomenal Gems to read more about the grading and valuation of stones with asterism.
Star Sapphire is a type of sapphire displaying an optical star-like effect. This effect is caused by asterism. You can read more about asterism in our Phenomenal Gems article.
International Gem Society
Related Articles
Cutting Star Gemstones: Tips for Beginners
Want to start cutting beautiful star gemstones? Here are some helpful gemological resources for novice lapidaries and jewelers.
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
Ruby and Sapphire Origins
Ruby and sapphire origins greatly affect the values of these prized gems. Learn where these stones occur and how inclusions...
Read More
Black Diamond Value, Price, and Jewelry Information
Black is a color that can say a lot. Wearing black diamond jewelry communicates a sense of unique strength and...
Read More
Latest Articles
What are Allochromatic and Idiochromatic Gems?
Learn the difference between allochromatic and idiochromatic gems and why some gem species can occur in many color varieties and...
Read More
How Does Quartz Form?
Quartz is one of the most abundant minerals on earth. Learn how quartz forms and how its most popular varieties...
Read More
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 are Gemstone Absorption Spectra?
Learn how gems absorb wavelengths of light and how gemologists use gemstone absorption spectra to identify gems. There’s more to...
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!