Oscar Heyman, Sapphire, Diamond and Yellow Gold Ring
Featuring an oval sapphire weighing approximately 2.35 carats by formula, framed by oval diamonds weighing approximately 2.00 carats total and pear shape sapphires. Mounted in 18 karat yellow gold and platinum. Ring size 6.
Stamp: (Oscar Heyman maker's mark) 16304 18K PLAT.
Gross weight: 5.25 dwt.
AGL, 2026, Report No. 1156701, Natural Corundum, Sapphire, Madagascar, No gemological evidence of heat
Property from a Belmont, Massachusetts Estate