Vintage Art Deco Ring w/ Old European Cut Diamonds in 18k Platinum.  This fabulous Art Deco navette ring features .87 carats of Old European cut diamonds set in platinum with an 18 karat white gold shank. The beautiful diamonds are set with gradually larger stones toward the center, giving that classice navette shape to the mounting. The polished white gold shank completes the refined Art Deco look.