Colour change sapphire and diamond ring

Set with an oval colour change sapphire weighing 13.88 carats, between shield-shaped diamond shoulders, size 51.

Accompanied by AGL report no. 1114474, dated 7 May 2021, stating that the sapphire is of Malagasy origin, with no indications of heating, with a strong colour-change; together with a gemmological report.