Although one may select one's lucky gem according to one's Zodiac sign or star, selecting the same through numerology is the best way. As planets work on numbers so powerfully the numerological way of selecting the gem is regarded as perfect and more successful than selecting the same through other methods.
The methods of Selecting the Gem through Numerological Way
Name
If we go by the ruling star, the gem for Ashwini-born persons is Cat's Eye. According to Rasi, it is the Red Coral, but choosing the numerological way is the best. Ashwini-born persons with 1,3,9 numbers should wear Red Coral,