This magnificent 1920's engagement ring or right hand ring is just spectacular. This ring is from the time of The Great Gatsby. It could have also been worn by the elite during the time of Downton Abbey. The design of this ring is so interesting and detail oriented. What a work of art that is just as amazing now as it was when it was made. Antique Diamond & Sapphire Ring Art Deco 1920s 18K White Gold 1 European Cut Center Diamond = .90ct VS1/I 4 Side Diamonds =.10ct Ring Size 6 (ring is sizable) Ring measures approximately 11.4mm at center, band is 1.7mm. Please read our shop policies prior to purchase.