Our Black Diamond Gravel is a stunning 20mm basalt chip that is super modern and will create a sleek contemporary feel in any garden! This stone looks black when wet and asmokey grey colour when dry.
This 20mm chipping is a nice size for walking or driving on. As a naturally angular stone, that is beautifully uniform, it's ideal for water features and to set off your planters and borders in your designer garden! This is a hard wearing aggregate that will last for years to come.