Pebble Stacking Ring SetThe Pebble Stacking Rings combine chunky shapes with the timeless elegance of diamonds and offer endless possibilities for mixing and matching. Three Chunky Shapes: The Pebble Silver Stacking Rings come in three chunky shapes trillion, diamond, and round. Choose to wear them plain or with a 0. 1ct diamond set into them the same shape as the pebble. the bands are 3mm wide. Handmade in 9ct gold: The bands are made in 9ct white gold and the settings in a