Cartier

Set with a cushion-shaped sapphire shouldered by brilliant-cut and baguette diamonds.

• Sapphire weighing 18.25 carats
• Size 53
• Signed Cartier, numbered
• French assay mark for platinum, maker's mark
•  Accompanied by SSEF report no. 147693, dated 4th August 2025, stating that the sapphire measures approximately 15.37 × 13.73 × 9.34mm, is of Burmese origin, with no indication of heat treatment, together with an appendix stating that the color is vivid blue, also referred to as 'Royal Blue'.
• Gross weight 24.30 grams