1. Ruby (For Sun)
It gives status, recognition, vigour, virtuousness, kindness and the capacity to dictate. It can enhance the individual above the status in which he was born. Historically, it is a symbol of love and ardour.
2. Pearl (For Moon)
Pearl reinforces mental faculties, quietens passion and heightens peace of mind. It is a common custom to wear pearl nose- ring and necklace for the wedding ceremony. This is thought to guarantee a happy marital life and defense from widowhood. It also furnishes liveliness and insight.
3. Red Coral (For Mars)
One who wears Red Coral turns daring. It also aids in healing blood ailments.
4. Emerald (For Mercury)
It enhances memory communication, sixth sense, hones the mental power and the capability to learn. The wearer receives ample riches.
5. Yellow sapphire
It is most extensively used to enhance one's monetary standing. The wearer receives abundance of riches, sound health, status, respect and reputation. It is also believed that if there is hindrance in finding a perfect match for a girl, she gets wedded early by wearing a yellow sapphire.
One who wears a Diamond leads a lavish life that raises his name, fame and artistic quality. It also enhances sexual prowess.
7. Blue Sapphire (For Saturn)
It antagonises jealousy from others and keeps away evil. It terminates long-term ill luck. At times, this stone reacts negatively also, so it should be tested for a week before final use. It is believed that this stone possesses miraculous power to raise its wearer to an elevated status on all spheres. It can provide health, wealth, longevity of life and happiness. It also restitutes lost wealth and property.
8. Gomedhak or Hessonite (For Rahu)
Rahu is believed to be responsible for all kinds of delays in the fulfillment of ambitions. So a person wearing Gomedhak can hope for a hasty victory in lesser time than anticipated. It improves relationships with people and safeguards from unexpected ill luck. It is believed to be the best gem to debar stomach illnesses, tragedy, lunacy and evil spirits.
9. Cat's Eye (For Ketu)
This gem shields its wearer from unseen enemies, unexplained dangers and sicknesses. It also defends an individual from drowning, insobriety and governmental penalty. It fetches luck to gamblers (horse-race, casino etc).
Also read on Gemstones
Types of Gemstones
Gemstones for Planets