As there are 12 months in a year, and there are 12 different gemstones (or birthstones) associated with these months. However, these birthstones change from one culture to another. Every civilization, since ancient times, has had its own set of beliefs and history. Which is why you will find different cultures associating various colors of birthstones to a particular month. More often than not, birthstones are worn for bringing good luck, prosperity, and fortune in a person's life. It is believed that wearing a stone from your birth month will be fruitful to you, and help you overcome obstacles and/or any issues in life. So, to find out what are the 12 birthstones by month, go through the rest of the article for a detailed information. In the following chart, we have listed different colors of birthstones from various cultural backgrounds. Go through the information provided below to see which color(s) suits you the best. The following list gives information about the birthstones that are more commonly accepted today. The reason a particular stone belongs to a specific month is because of its effectiveness and power to affect your luck and fortune. There are gemstones assigned to the 12 zodiac signs as well. Here's a chart illustrating which stone belongs to the individual signs. If you believe in astrology, and genuinely feel that the birthstones can bring good fortune in your life, then don't shy away from wearing it. Hopefully the chart along with the images of the stones gave you a detailed information. Disclaimer: This article is for informative purposes only and does not, in any way, attempt to replace the advice offered by an expert on the subject.