Yellow Sapphire, 12.98 carats, Ring by Patrick Mauboussin

Horizontally set cushion-cut yellow sapphire set with diamonds, blue topaz, and blue sapphires. The GIA describes the yellow sapphire as having no indications of heating. 

Designer: Patrick Mauboussin

Metal: 18K White Gold

Gemstone: Yellow Sapphire: 18.16 carats. GIA Report #2171999458

Gemstone: Blue Sapphires: 2.41 carats

Gemstone: Blue Topaz: 1.83 carats

Design Era: Contemporary

Ring Size: 6.5