Jewelry IdentifierBirthstone
July Birthstone
July's birthstone is ruby, the red variety of corundum and one of the most valuable colored gems.
Ruby
Mohs 9Red corundum (same mineral as sapphire); the finest are a vivid 'pigeon blood' red.
- Modern birthstone
- Ruby
- Traditional / alternates
- Carnelian
- Color
- Red
If you were born in July, your birthstone is the ruby — the red form of corundum, the same mineral that produces sapphire. Extremely hard (9 on the Mohs scale) and intensely colored, top rubies can sell for more per carat than diamonds.
What the July birthstone means
Ruby symbolizes passion, protection, and vitality — historically the stone of kings and warriors.
Is your July birthstone real?
Birthstones are among the most-imitated gems — ruby especially is often simulated by glass or synthetics. The fastest way to check what you actually have is to photograph the stone and run it through the free Gemstone Identifier, then confirm whether it's natural with the Is It Real? tool. For what a piece is worth, get a free jewelry appraisal.
Frequently asked questions
Birthstones by month
Not sure if your ruby is real?
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