GIA Certified Blue Sapphire Diamond Platinum Ring

A GIA-certified natural blue sapphire of Thailand origin, set as the center stone in an antique-style platinum ring with a diamond halo, marquise diamond shoulder accents, and hand-engraved filigree detailing. GIA reports the geographic origin as Thailand and designates the color as Blue with Transparent transparency. Please note GIA lists the treatment as Heated, a standard and widely accepted trade treatment for sapphire. The stone is mounted, so its exact carat weight is not stated on the GIA report; the approximate weight of 2.0 to 2.3 carats is an estimate calculated from the stone's measured dimensions and is provided for reference only. Buyers are encouraged to review all photos and the full GIA report carefully before purchasing.

• Species: Natural Corundum
• Variety: Natural Sapphire
• Weight (Sapphire): Approximately 2.0 to 2.3 carats (estimated from measurements, not certified)
• Shape: Round
• Cut Style: Brilliant Cut crown, Step Cut pavilion
• Measurements: 7.91 to 7.96 × 4.89 mm
• Color: Blue
• Transparency: Transparent
• Treatment: Heated
• Origin: Thailand
• Certification: GIA Sapphire Origin Report #5241023364 (verifiable at reportcheck.gia.edu)
• Metal: Platinum
• Setting Style: Round center stone with diamond halo, marquise diamond shoulder accents, and hand-engraved filigree
• Total Ring Weight: 6.23 grams (gross)
• Condition: Pre-owned; excellent overall condition; prongs intact; all diamonds appear present and secure; no visible damage