Sapphire & Diamond Ring. 14K Yellow Gold Prong Set Oval Sapphire & Diamond Ring. This 14k yellow gold ring makes a great addition to any jewelry collection and can be worn on many occasions. This ring is prong set with 6 round shape diamonds. The diamonds have a total carat weight of 0.10 carats. The diamonds are GHI color and SI-I1 clarity. There is 1 oval shape sapphire gemstone on this ring. The gemstone is prong set and has a total carat weight of 0.85 carats. This ring is part of our gemstone collection of jewelry.