Diamond ring with a 3.06-carat cushion-cut natural red ruby with medium-tone and strong-saturation red color, eye-clean clarity, measuring 9.09 x 8.28 x 3.91 mm with 1.09 ratio, prong-set in an 18-karat white-gold four-prong mounting (stamped BEZ AMBAR and 750 92325) with knife-edge pave-set diamonds on the top and bottom sides of the ruby going half way down the split-shank and on the north and south sides of the mounting going half way around the ring for a total of 158 pave diamonds with a 0.94 total carat. In between the split shank and underneath the head are 34 Blaze® cut diamonds in two rows with 1.23 total carat weight on top of the shank that is 7.0 mm wide at the head, 6.3 mm wide at the side, and tapers to 6.0 mm wide at the bottom.