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8.90 Ct Natural Royal Blue Sapphire — Rectangular Cushion Cut

At 8.90 carats, this natural Sri Lankan sapphire possesses the highly coveted 'Royal Blue' color grade—an intense, deep, vivid blue that represents the pinnacle of blue sapphire color saturations. Cut as a rectangular cushion mixed cut measuring 11.29 x 10.54 x 8.48 mm, the stone maximizes brilliance while maintaining deep color intensity across its crown.

Traditional heating has been applied to optimize its vivid saturation and crystal transparency, a standard and widely accepted practice in fine jewelry that unlocks the stone’s full optical potential. Sri Lanka (Ceylon) is celebrated for producing royal blues with incredible life and spark. The substantial 8.90-carat size makes it an ideal centerpiece for a regal cocktail ring or custom high-jewelry design.

Sapphire ranks 9 on the Mohs scale, offering supreme durability for everyday elegance.

• Type: Natural Sapphire

• Origin: Sri Lanka

• Treatment: Indication of heating detected

• Weight: 8.90 Cts.

• Dimensions: 11.29 x 10.54 x 8.48 mm

• Color: Royal Blue

• Shape/Cut: Rectangular Cushion / Mixed Cut


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At 8.90 carats, this natural Sri Lankan sapphire possesses the highly coveted 'Royal Blue' color grade—an intense, deep, vivid blue that represents the pinnacle of blue sapphire color saturations. Cut as a rectangular cushion mixed cut measuring 11.29 x 10.54 x 8.48 mm, the stone maximizes brilliance while maintaining deep color intensity across its crown.

Traditional heating has been applied to optimize its vivid saturation and crystal transparency, a standard and widely accepted practice in fine jewelry that unlocks the stone’s full optical potential. Sri Lanka (Ceylon) is celebrated for producing royal blues with incredible life and spark. The substantial 8.90-carat size makes it an ideal centerpiece for a regal cocktail ring or custom high-jewelry design.

Sapphire ranks 9 on the Mohs scale, offering supreme durability for everyday elegance.

• Type: Natural Sapphire

• Origin: Sri Lanka

• Treatment: Indication of heating detected

• Weight: 8.90 Cts.

• Dimensions: 11.29 x 10.54 x 8.48 mm

• Color: Royal Blue

• Shape/Cut: Rectangular Cushion / Mixed Cut