Natural Sapphire — 4.06 ct, Sri Lanka, Antique Cushion
Natural Sapphire — 4.06 ct, Sri Lanka, Antique Cushion
This 4.06 carat sapphire from Sri Lanka displays royal blue coloration with clarity consistent with eye-clean grading. Sri Lankan sapphires, historically referred to in trade as Ceylon sapphires, are known for producing material with balanced saturation and transparency. The stone is fashioned in an antique cushion shape with proportions designed to maintain full face-up color without windowing. Traditional heat treatment only; no other enhancements.
Origin: Sri Lanka (formerly Ceylon)
Weight: 4.06 Carats
Size: 10 x 7 x 6 mm
Clarity: Slight natural inclusions visible only under careful inspection. Not distracting, and all, but eye-clean.
Cut: Antique Cushion Shape – Nice cut and proportions, no window.
Color: Rich Royal Blue
Treatment: Traditional heat only. No other treatments.
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Gemstone Details
About Sapphire
Sapphire is the blue variety of corundum, composed of aluminum oxide colored by trace elements such as iron and titanium.
Specifications & Notes
Origin: Sri Lanka
Carat Weight: 4.06 ct
Dimensions: 10 x 7 x 6 mm
Clarity: Eye clean
Cut: Antique Cushion
Color: Royal blue
Treatment: Heat treated (industry standard)
Gemologist Notes:
This 4.06 carat sapphire from Sri Lanka displays royal blue coloration with clarity consistent with eye-clean grading. Sri Lankan sapphires, historically referred to in trade as Ceylon sapphires, are known for producing material with balanced saturation and transparency. The stone is fashioned in an antique cushion shape with proportions designed to maintain full face-up color without windowing. Traditional heat treatment only; no other enhancements.
Each gemstone is individually photographed and described.
You will receive the exact stone shown.
Shipping, Care & Authenticity
• Ships securely packaged and fully insured.
• Natural gemstone – no dyes or coatings unless stated.
• Avoid harsh chemicals and ultrasonic cleaners.
• Colors may vary slightly due to lighting and screen settings.