Ruby & Diamond Ring. 14K Yellow Gold Round Ruby & Diamond Band 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 48 round shape diamonds. The diamonds have a total carat weight of 0.18 carats. The diamonds are GHI color and SI-I1 clarity. There are 39 round shape ruby gemstones on this ring. The gemstones are prong set and have a total carat weight of 0.87 carats. This ring is part of our gemstone collection of jewelry.