Generally its color is yellow /white .It should be wear for Jupiter planet.
It is a gem of a light yellow colour. In order to be most effective it should be of light yellow colour and transparent. It is an expensive gemstone. A pinkish-orange sapphire is known as "Padparadscher" and is the most expensive variety of gemstone. It denotes righteousness, piety and truthfulness of the wearers. It is recommended for prosperity and comforts and is particularly good for those engaged in business or industry. It is good for those who want children, or those interested in nobler aspects of life and in the occult, charity, spiritual motivation, yoga, meditation, and religious preachings. It should be worn on Thursdays within an hour of sunrise, in gold on the index finger. In the natal chart, if Jupiter is in any star where Sun is transiting, like Kritika, U Phalguni or U Ashada, yellow sapphire will give beneficial results. Its use with pearl on gold gives powerful results, particularly in the cases of epilepsy. It is a recommended stone for persons of birth number 3, as it will bless them with all round happiness and prosperity, good health, benevolence and longevity. It will protect persons from dangers during long voyages and is recommended for persons involved in frequent travels. It is particularly good for Sagittariuns. It is recommended for persons having problems with service matters, promotion, increment and transfers.