2.67 Emerald Cut Sapphire Engagement Ring in Yellow Gold2. 67 Emerald Cut Sapphire Engagement Ring in Yellow Gold. This timeless engagement ring features a gorgeous 2. 67 carat emerald cut blue sapphire and accent diamonds in 14k yellow gold. The sapphire has a rich, royal blue hue and is mounted in four yellow gold prongs. Two (2) . 08 carat baguette diamonds and two (2) . 02 carat single cut diamonds flank the center stone. The diamonds are highly brilliant and bright, adding a thoughtful contrast to the