For instance, consider the beautiful filigree detailing, floral designs, geometric patterns, etc. By choosing Art Deco antique diamond rings for your engagement, you can honor the past and show off some updated details at the same time, without compromising on its charm. Usually, diamonds that feature an old mine cut, transitional cut, or old European cut were used in Art Deco rings. However, you can also use any of the modern diamond cuts to recreate the timeless appeal of Art Deco antique diamond rings. One of the most popular Art Deco diamond ring designs features a huge round brilliant cut diamond at the center of a platinum ring. It is further beautified by surrounding it with a triple halo of melee diamonds and sapphire accents in an alternating pattern. Additionally, the diamond ring band is accentuated with intricate filigree detailing.