Diamond & Ruby Engagement Ring Set. The center stone can be customized between 0.50ct-1.00ct round brilliant cut diamond. Surrounded by 0.90ct round cut diamonds and 0.60ct ruby's in a prong and channel setting. Handcrafted in 14k Gold, 18k Gold or Platinum 950 setting. We also offer a 1-year Layaway program. You can reach us at 1-888-967-5353 to speak to one of our jewelry specialist.