Huge Flora Stone Sale Austech have decided to delete this feature stone from our range so it all must go at less that cost price. Prices ranging from $2 to $50 for the larger wall mounts. Call us today for prices 07 3268 3066. Available in many designs and sizes, Florastone will deliver a touch of elegance and style to your home. Manufactured to the high standard as the rest or our range, Flora Stone is easy to install and virtually maintenance free for both interior and exterior applications.