Antique Engagement Ring Art Deco .52 Round Brilliant Cut Diamond in PlatinumThis platinum and diamond Art Deco Era, vintage engagement ring is very charming and simple design. A . 52 carat round brilliant diamond is box set in the center of the ring and the setting tapers slightly and is set with . 24 carats of single cut diamonds which are bead set. The ring fits low on the finger and the profile of the ring is quite flat, allowing a wedding band to sit next to it with ease.