Based on this product's specifications, here are some alternatives and similar models
Diamond Saw Blade Distar KORONA RS6 102 mm 1 1/4" 450 mm for Wet Cutting
Summary description:
Distar KORONA RS6 diamond saw blade, 102 mm diameter with 1 1/4" bore and 450 mm cutting length, designed for wet cutting. Intended for professional use on stone, concrete and ceramic materials, the blade provides efficient material removal and extended life when used with coolant. Suitable for angle grinders and saws compatible with the specified bore and diameter.