Red Lava Rock Red Lava 1.5" Red Lava 1.5" $80.00 / yd³ Size: 1.5″ Delivery fees not included. Red Lava Rock quantity Add to cart Category: Lava Rock Related products 2″-4″ Black Lava Rock $85.00 / yd³ 1.5″ Black Lava Rock $85.00 / yd³ Sale! 3/4″ Black Lava Rock $75.00 $65.00 / yd³