2.83 Pear Cut Green Sapphire and Diamond Ring in 14k White Gold2. 83 Pear Cut Green Sapphire and Diamond Ring in 14k White Gold. This modern engagement ring features a 2. 83 carat green sapphire and . 41 carats of diamonds in 14 karat white gold. The pear cut green sapphire has a highly saturated, dark green hue with cool, deep blue undertones. The primary green sapphire is prong set in 14k white gold. A halo of fifty five (55) accent diamonds, each . 0075 carats, surround the sapphire and continue on toward the