Plate Ring Single (0.2 CT, Diamond Slab, 9mm, PA+DIA) from Parts of Four. PA: Polished sterling silver. DIA: Rough Diamond. The stones used in this item are cuts of diamond material that are removed from a larger chunk of diamond as they are attempting to get to the perfect diamond in the center. Each stone fragment and shape are absolutely unique Dimensions: Ring Face/Top (WxL): 9 mm × 25 mm Weight: 22 grams (size 9) Composition: Polished sterling silver; Rough Diamond Made in Bali SKU: 1614-13-PA+DIA