Stud Earring (Fuse, 0.4 CT, Diamond Slab, DA18K+DIA) from Parts of Four. DA18K:DIRTY 18K GOLD SKIN. Dirty sterling silver (acid treated) with fused layer of 18K yellow 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: Diameter: 9.5 mm Pin thickness: 1 mm / 19 gauge Weight: 3 grams Composition: Acid treated sterling silver fused with 18K yellow gold on top + Diamond slice Made in Bali SKU: 1835-23-DA18K+DIA