A SAPPHIRE AND DIAMOND CLUSTER RING Composed of a central cushion-shaped sapphire weighing 3.57cts within a double four-claw setting and a surround of old European and single-cut diamonds, mounted in 18K gold, diamonds approximately 0.50ct total, with maker's mark, French assay mark, ring size J Accompanied by a report from Gem Paris (Gemmological laboratory of Paris), stating that the sapphire weighing 3.57cts is of Sri Lankan origin, with no indications of treatment. Report number 20211975633, dated March 9th 2021