.Here is an alternative to a diamond engagement ring. This elegant halo diamond ring is the answer. Created in 14 Karat White and Rose Gold, accented with .29ct .of our ideal cut diamonds and a 1.64 ct. Created Champagne Oval Sapphire, bezel set in the center in warm Rose Gold. This modern halo ring has a split shank, and a squared shank making this ring unique. Made in our studio by master artist Stuart J.