GLC Certified Natural Blue Sapphire | 1.07 Carats Oval Mixed Cut | Heated

Product Description

A beautifully proportioned 1.07 carat natural blue sapphire, certified by Chanthaburi Gemological Laboratory, featuring a classic oval mixed cut and a rich royal blue color.

This gemstone exhibits a deep and vibrant blue hue with excellent brilliance and elegant symmetry. The oval mixed cut enhances both color saturation and light performance, making this sapphire an ideal choice for engagement rings, pendants, earrings, and bespoke fine jewelry.

According to the GLC report, the stone shows indication of heating. Heat treatment is the most common and widely accepted enhancement in the sapphire trade, used to improve color and clarity while preserving the gemstone’s natural origin.

With its desirable one-carat size, timeless oval shape, and vivid blue color, this sapphire offers exceptional beauty and outstanding value.

Gemstone Specifications

• Gemstone: Natural Blue Sapphire
• Species: Natural Corundum
• Variety: Sapphire
• Weight: 1.07 Carats
• Shape: Oval
• Cut Style: Mixed Cut
• Primary Color: Blue
• Treatment: Indication of Heating
• Certification: Chanthaburi Gemological Laboratory (GLC)
• Report Number: A170139
• Report Date: 7 January 2026
• Measurements: 5.52 × 6.70 × 3.02 mm
• Hardness: 9 (Mohs Scale)
• Clarity: Eye-visible natural characteristics

Why Choose This Gemstone?

• 100% Natural Blue Sapphire
• Certified by GLC for authenticity and confidence
• Rich royal blue color with excellent brilliance
• Standard heat treatment, widely accepted in the sapphire trade
• Ideal for engagement rings and bespoke luxury jewelry
• Excellent choice for collectors and gemstone enthusiasts
• Only one piece available