.28 Asymmetrical Diamond Stacking Ring 18kThis modern stacking ring is made from 18 karat yellow gold and features round brilliant cut diamonds totaling . 28 carats set in an asymmetrical pattern across the band. At 5. 5 mm wide, the band has substantial presence without being overly bulky. The round brilliant cut maximizes each diamond's light performance and fire. This design works well on its own or stacked with other rings for a layered look.