An Art Deco sapphire and diamond ring

An Art Deco sapphire and diamond ring, set with an oval-shaped sapphire weighing approximately 7.50cts within raised rectangular border of square diamonds to further diamond shoulders in platinum, size Q approx

Accompanied by report number 5785-1986 dated 9th April 2025 from GCS stating that the natural sapphire shows no indications of heating, origin: Burma

Accompanied by report number 25997 dated 1st June 2025 from The Gem and Pearl Laboratory stating that the natural sapphire shows no indications of heating, origin: Sri Lanka