If wearing for astrological purposes, the carat weight of the gemstone, the type of metal used, and the quality of the gemstone should be checked. The ideal weight of the Red Coral gemstone should be 1/10th of your body weight, i.e, if you weigh 60Kgs, the gemstone should ideally be of 6 carats. It is advised to wear it as a ring in either yellow gold or silver. However, brass, platinum, and white gold can be used as well. The best time to wear the ring is on Tuesday mornings, on the ring finger of the dominant hand.
If wearing for casual reasons, you may wear it in your own style preference.