Diamonds IV Mold (NM-159) contains nine different faceted diamond designs. The smallest is 1/2 inch by 1/2 inch (13mm by 13 mm), the largest is 1 1/2 inches by 1 1/2 inches(38 mm by 38 mm). Sunflower Sugar Art silicone molds are all thoroughly inspected before shipping and will not be replaced once they have been used.