Sistema Ring (Fuse, 0.2 CT, Diamond Slab, 12mm, KA10KW+DIA) from Parts of Four. KA10KW:BLACK 10K WHITE GOLD SKIN. Black sterling silver with fused layer of 10K white gold 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 Band Width: 12 mm Weight: 28 grams (size 9) Composition: Black oxydized sterling silver fused with 10K white gold on top + Diamond slice Made in Bali SKU: 1801-5-KA10KW+DIA