A star sapphire displays a six-rayed star that moves across its surface when tilted - a phenomenon called asterism.

⭐ What Makes the Star?
Tiny rutile needle inclusions arranged in three directions create the star effect.

Colors of Star Sapphires

  • Blue Star Sapphire - Most common, deep blue with white star
  • Black Star Sapphire - Dark stone with bright golden star
  • Pink Star Sapphire - Rare and beautiful
  • Purple Star Sapphire - Unique color
  • White Star Sapphire - Milky with bright star

Sources

  • Sri Lanka (Ceylon) - World's finest star sapphires
  • Myanmar - Deep blue stones
  • India - Kashmir velvety blues
  • Madagascar - Good quality stones

Star Quality Grading

  • Sharpness - Rays should be distinct and straight
  • Centering - Star must be centered on the dome
  • Contrast - Star should contrast against body color
  • Body Color - Attractive, even color

Price Guide (2026)

  • Entry level: $50 - $200 per carat
  • Good quality: $200 - $800 per carat
  • Fine quality: $800 - $3,000 per carat
  • Exceptional: $3,000 - $10,000+ per carat
🌟 Buying Tip: For best value, look for 3-5 carat blue star sapphires in good to fine quality ($500-$1,500 total).

At GemScan Pro, we provide professional star sapphire certification.