Mens Onyx Diamond Ring. 14K Yellow Gold Fancy Shape Onyx Set Mens 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 28 round shape diamonds. The diamonds have a total carat weight of 0.11 carats. The diamonds are GHI color and SI-I1 clarity. There are 9 multi shape onyx gemstones on this ring. The gemstones are bezel set and have a total carat weight of carats. This ring is part of our men's jewelry collection of jewelry.