The prong set oval sapphire is surrounded by round diamonds with baguette diamonds on the shank of a platinum ring mounting. The American Gemological Laboratories (AGL) describe the sapphire as having Burmese/ Myanmar origin with no evidence of heating.
Gemstone: Sapphire: 3.34 carats. AGL Report #CS68645
Gemstone: Diamonds: 1.46 carats
Design Era: Contemporary
Ring Size: 6, Resizable