A sapphire and diamond ring, of cluster design

A sapphire and diamond ring, of cluster design, claw-set with an oval sapphire weighing 9.28 carats, within a border of brilliant-cut diamonds, size O, indistinct French import assay marks for 18ct gold and platinum

Accompanied by a facsimile of LFG Paris report no.385423, dated April 11th 2021, stating that the oval-cut Sapphire is of Sri Lankan (Ceylon) origin, weighing 9.28 carats with no indications of heat treatment