Vintage Art Deco Sapphire Diamond Engagement Ring 18k White Gold.  This lovely sapphire and diamond Art Deco ring has a smooth and low profile that hugs the finger with beautiful deep blue. Featuring a fabulous 1.27 carat round cut sapphire, the ring is also complete with smooth high polished shoulders with a row of small diamonds on either side. This could be lovely right hand ring, or a beautiful sapphire engagement ring!