Yellow sapphire harmonizes and benefits Guru or Jupiter, the largest graha (planet) in the solar system. It signifies knowledge, wisdom, virtue, fortune, justice, education, future, religion, philosophy, devotion, children, distant travel, spirituality, truthfulness, prosperity and charity. Guru is the major instructor or teacher and influences action with the highest order and balance. Guru guides action in the most harmonious and uplifting manner and balances inner and outer input while simultaneously performing and monitoring action.