Gold Diamond Tumbler Ring: A mesmerizing masterpiece that adapts with every move. Nine mixed-cut diamonds, including round, baguette, heart, and emerald, sit freely beneath a custom-cut white sapphire. Encased in a lustrous gold setting, the diamonds tumble and shift, creating an ever-changing spectacle of light. This singular piece from Four pence jewellery is a wearable work of kinetic art.