A SAPPHIRE, COLORED SAPPHIRE AND DIAMOND RING, BY OSCAR HEYMAN & BROTHERS

A SAPPHIRE, COLORED SAPPHIRE AND DIAMOND RING, BY OSCAR HEYMAN & BROTHERS Of bypass design, set with a heart-shaped sapphire, weighing approximately 7.26 carats, and a heart-shaped pink sapphire, weighing approximately 6.47 carats, to the graduated baguette-cut diamond shoulders, ring size 6 3/4, mounted in platinum With maker's mark for Oscar Heyman & Brothers, no. 302235 <i>Accompanied by report no. CS 1077544 dated 10 August 2016 from the AGL American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of the sapphire and pink sapphire would be classified as Madagascar, with standard heat. The blue sapphire, no evidence of additional treatment. The pink sapphire requires additional analytical testing to determine if foreign elements have been diffused into the lattice during the heating process</i>