It depends on your chart and circumstances in why you want to wear a particular Vedic gemstone.   Do you have some particular issue? Marriage, financial, work stress, etc.,?

For more general information regarding this topic I recommend reading our two blog posts which I have provided the links here:

a) https://www.buygemstone.info/how-to-buy-a-vedic-astrology-gemstone-and-what-is-vedic-astrology-a-comprehensive-guide-video/

b) https://www.buygemstone.info/how-to-buy-an-astrological-gemstone-based-on-vedic-indian-astrology-in-bangkok-thailand/