Engagement Ring Modern .47 Round Brilliant Cut Diamond in PlatinumReminiscent of the Art Deco Era, this Modern engagement ring has a vintage air about it. The center stone is a . 47 carat round brilliant diamond which is flanked by two tapered baguettes. The center stones are surrounded by . 33 carats of diamonds which are set into flowing milgrain detailing and open space really playing up the homage to vintage design. Cast in Platinum, this ring has a slight dome but sits low to the finger overall.