2.62 GIA Cushion Pink Sapphire Engagement Ring 18kThis 18k rose gold three stone engagement ring features a GIA certified 2. 62 carat cushion cut pink sapphire flanked by two Cadillac cut diamonds totaling . 84 carats. The cushion cut gives the pink sapphire rounded corners and larger facets that showcase its color saturation while creating broad flashes of light. Pink sapphires range from pale blush to vivid magenta, and at 2. 62 carats, this center stone offers substantial presence. The Cadillac