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
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
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
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
The Dichroscope: A Faceter’s Guide
A dichroscope can distinguish the colors of pleochroic gems. Learn how gem cutters can use this tool to choose the...
Read More
The Microscope: A Guide for Gemologists
Sometimes, microscopic inclusions are the only way to distinguish natural from synthetic gems. This makes the microscope an essential lab...
Read More
Anatase Value, Price, and Jewelry Information
Anatase occurs in many beautiful colors, such as deep indigo and amber yellow. However, these rare gems are seldom transparent...
Read More
Choosing an Emerald Engagement Ring Stone
If you like green, you’ll love an emerald engagement ring. However, judging emerald quality is complicated. Learn how to find...
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!