Natural Kornerupine — 1.30 ct, Sri Lanka, Portuguese Oval (GL)
Natural Kornerupine — 1.30 ct, Sri Lanka, Portuguese Oval (GL)
This 1.30-carat kornerupine originates from Sri Lanka, a recognized source of gem-quality material for this species. Kornerupine forms under high-temperature metamorphic conditions and is relatively uncommon in transparent faceted form. This example has been fashioned as a Portuguese oval and exhibits clarity consistent with the IF–VVS range. The stone displays brownish-green coloration and is confirmed to be untreated. No treatments are present.
Origin: Sri Lanka
Weight: 1.30 carats
Size: 8 x 6 x 4 mm deep
Clarity: IF to VVS Top clean gemstone!
Cut: Portuguese style oval shape
Color: Deep brownish green
Treatment: None, guaranteed 100% natural!
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Gemstone Details
About Kornerupine
Kornerupine is a borosilicate mineral typically formed in high-grade metamorphic environments.
Specifications & Notes
Origin: Sri Lanka
Carat Weight: 1.30 ct
Dimensions: 8 x 6 x 4 mm
Clarity: IF–VVS
Cut: Portuguese Oval
Color: Brownish green
Treatment: None – natural color
Gemologist Notes:
This 1.30-carat kornerupine originates from Sri Lanka, a recognized source of gem-quality material for this species. Kornerupine forms under high-temperature metamorphic conditions and is relatively uncommon in transparent faceted form. This example has been fashioned as a Portuguese oval and exhibits clarity consistent with the IF–VVS range. The stone displays brownish-green coloration and is confirmed to be untreated. No treatments are present.
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.