I've purchased OSRS Gold through the RSorder website. My experience suggests that this site is completely legal. The team that trades on their manual will ensure our security, and they will ensure that our account will never be suspended or banned during trading.
The RSorder guarantee a consistent availability of OSRS gold each day. They will always check their prices against other websites so that they can ensure we purchase the most affordable OSRS gold from their site. They also are the most efficient delivery platform for RuneScape transactions. Transactions generally take 5 to 10 minutes to be completed.