A SAPPHIRE AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY

A SAPPHIRE AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY, the oval-shaped sapphire weighing approximately 3.50cts, set within a surround of old circular-cut diamonds in platinum, size K 1/2

Accompanied by report number 5786-0598 from GCS dated 10th November 2025 stating that the sapphire shows no indications of heating, origin: Burma