Antique Engagement Ring Art Deco .51ct Old European Cut Diamond in 18k White GoldThis unique antique Art Deco diamond engagement ring is set with a . 51 carat Old European cut diamond. The center diamond is bead set flush to the 18 karat white gold mounting. The center diamond is surrounded by six (6) bezel set rectangular scissor faceted sapphires. The center diamond is also flanked by two (2) round old European cut diamonds. The ring is finished with ornate filigree visible from the gallery view.