Conflict-free diamond engagement rings are a beautiful and ethical choice for your special ceremony. This one of kind Art Deco engagement ring features a .70 carat old European cut diamond and diamond accents in platinum. The glittering white center diamond is mounted in a decorative basket. Six (6) .015 carat diamonds line the shoulders of the ring. The shank features antique engravings finished in polished platinum. Shop more Platinum Engagement Rings.