2.21 French Cut Rubies Diamond Ring in Platinum.  This custom right hand ring features 2.21 carats of French cut rubies and .49 carats of diamonds finished in platinum. Eleven (11) .20 carat rubies, with slender French cut facets, are channel set at the head of the ring. The rubies have a highly saturated, red-magenta hue and are accented by thirty-four (34) .014 carat diamonds. The near colorless diamonds are set in surface prongs at the top and bottom of the rubies. From the profile, a French inspired openwork mounting with diamond accents on the gallery rail completes this gorgeous platinum ring.