White gold ring set with an octagonal Ceylon sapphire weighing approximately 21.42 carats, flanked by navette-cut diamonds and round diamonds on the prongs

Tdd: 55
Gross weight: 13.7 g
Accompanied by:

- SSEF laboratory certificate No. 155369 dated 06/11/2026 stating: Natural sapphire
Color: blue of medium strong saturation
Origin: Sri Lanka (Ceylon)
No indications of heating
- Preliminary examination by the GEM Paris laboratory No. 20261978785 indicating: Sapphire on ring
- Origin: Sri Lanka (Ceylon)
- Treatments: unheated (S1)