Back to guide
Ruby
Ruby is valued for its red appearance and distinctive natural character. Quality and value depend on color, clarity, cut, size, origin, treatment, and documentation.
- Mineral family
- Corundum
- Chemistry
- Al2O3
- Mohs hardness
- 9
- Colors
- Red
- Common origins
- Mozambique, Myanmar, Sri Lanka
- Wearability
- Generally suitable for jewelry with care.
Treatments and synthetics
Heat and fracture filling require clear disclosure.
Care guidance
Use mild soap, lukewarm water, and a soft cloth. Confirm before ultrasonic or steam cleaning.
Buyer checklist
Confirm classification, treatment, dimensions, weight, origin claims, return terms, and any laboratory report before purchase.