Diana Old Mine Cushion Engagement Ring

The piece

This 14K gold engagement ring showcases a 3 carat elongated old mine cut cushion lab grown diamond secured by claw prongs in an open cathedral setting. Inspired by vintage design and one of 2026's most sought-after engagement ring styles, it offers a fresh take on a timeless classic. The split shank design flows into Roman column-inspired shoulders, creating a distinctive architectural silhouette from every angle. An open gallery beneath the center stone allows light to reach the diamond, enhancing the beauty of its antique-inspired faceting. Finished with a refined 2.00mm band, this design ba