1.02 Oval Cut Diamond Ruby Engagement Ring in Platinum. This modern engagement ring features a 1.02 carat oval cut diamond and .72 carats of French cut rubies finished in platinum. The center diamond has a very light champagne hue and is set in a platinum bezel with milgrain details. A wreath of twenty-two (22) .0327 carat accent rubies with a rich, magenta hue accent the center stone. Six (6) .01 carat Round Brilliant cut diamonds decorate the shoulders of the band. From the profile, a sleek bezel mounting supports the gemstones on a thin, platinum band.