Plaid Mod Podge Diamond Top Coat Acrylic Sealer 8oz. Protect your sparkle. Left unsealed, diamonds can loosen and fall off over time. Brush-on formula helps preserve diamond art for posterity. Seals and protects without dulling the shine, clear, high-gloss, top-coat. Indoor use only. This package contains one 8oz bottle of diamond top coat mod podge.