1 pcs 藍色藍寶石 - 3.71 ct - 美國寶石學院（Gemological Institute of America (GIA)）

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Natural Blue Sapphire with GIA Report High-quality, natural blue sapphire with an official GIA Gemological Report (Sapphire Origin Report). Detailed Specifications: GIA Report Number: 2546618986 Date of Report: March 02, 2026 Species: Natural CorundumVariety: SapphireWeight: 3.71 carats Dimensions: 9.60 mm (length) x 7.16 mm (width) x 5.77 mm (depth) Shape: Oval Color Details: Blue Transparency: Transparent Lustre: Vitreous (glass-like) Cutting Style (Crown): Modified Brilliant Cut Cutting Style (Pavilion): Step Cut Geographic Origin: Sri Lanka (Ceylon) Additional Results / Treatment: Heated (Standard thermal enhancement) Item Description: One loose stonePerfect for high-end custom jewelry or investment. The GIA report confirms the premium Sri Lankan origin and guarantees authenticity.

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1 pcs 藍色藍寶石 - 3.71 ct - 美國寶石學院（Gemological Institute of America (GIA)）

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Natural Blue Sapphire with GIA Report
High-quality, natural blue sapphire with an official
GIA Gemological Report (Sapphire Origin Report).
Detailed Specifications:
GIA Report Number: 2546618986
Date of Report: March 02, 2026
Species: Natural CorundumVariety: SapphireWeight: 3.71 carats
Dimensions: 9.60 mm (length) x 7.16 mm (width) x 5.77 mm (depth)
Shape: Oval
Color Details: Blue
Transparency: Transparent
Lustre: Vitreous (glass-like)
Cutting Style (Crown): Modified Brilliant Cut
Cutting Style (Pavilion): Step Cut
Geographic Origin: Sri Lanka (Ceylon)
Additional Results / Treatment: Heated (Standard thermal enhancement)
Item Description: One loose stonePerfect for high-end custom jewelry or investment.

The GIA report confirms the premium Sri Lankan origin and guarantees authenticity.