Ross-Simons - 4.70ct Sapphire, .77ct t. w. Diamond Ring Oval Cut in 18kt Yellow Gold. Size 7. Glowing like the night sky, this ample 4.70 carat oval sapphire ring invites the starry sparkle of .77 ct. t. w. round brilliant-cut diamonds that twinkle in a halo and across the slender band. Crafted in polished 18kt yellow gold. 1/2" wide. Diamond and sapphire ring. Sapphire birthstones are the perfect gift for September birthdays. Yellow Gold Sapphire Ring With Diamond, Round Cut, Luxury Yellow Sapphire Ring In 14k Gold, Fine Jewelry Yellow Gold Sapphire Ring Pear-shaped, Luxury 14k Yellow Gold Sapphire Ring, Fine Jewelry Yellow Gold Pear-shaped Sapphire Ring, Oval Sapphire Ring, Sapphire Birthstone, September Birthday, Round Brilliant Cut Diamond