Definition
A corundum gemstone available in many colors with blue as the classic variety.
Key Features
- Hardness 9 for excellent durability
- Iron and titanium cause classic blue
- Also found in pink, yellow, green, and padparadscha
- Often heat treated to improve color
Origin and History
Historic sources include Kashmir and Sri Lanka with modern mining in Madagascar, Australia, and Montana.
Buying Guide
Balance color richness with clarity and cut. Consider unheated stones for rarity when budget allows.
- Look for even color without strong zoning
- Ask for heat-treatment disclosure
- Padparadscha requires strict color criteria and trusted reports
Care and Maintenance
Clean with mild soap and water. Avoid harsh chemicals and strong ultrasonic cleaning if fractured.
Related Comparisons
FAQs
Why are some sapphires more valuable than others
Origin, color quality, size, and whether the stone is unheated can raise value significantly.
What is padparadscha sapphire
A rare delicate mix of pink and orange. Strict definitions make grading reports essential.
Are lab created sapphires real sapphires
Yes chemically identical. Disclosure is required and pricing differs from natural.