Birthstones by Month
The modern list of birthstones was adopted by the American National Retail Jewellers Association in 1912. It was taken from various traditions and adapted to include the most marketable gemstones. Below I've listed this widely-accepted list alongside some traditional ones.
| Month | January | February | March | April | May | June |
| Modern | Garnet | Amethyst | Aquamarine | Diamond | Emerald | Pearl, Moonstone |
| Traditional | Rose Quartz | Onyx | Bloodstone | Clear Quartz | Chrysoprase | Alexandrite |
| Tibetan | Emerald | Bloodstone | Jade | Opal | Sapphire | Moonstone |
| Ayurvedic | Garnet | Amethyst | Bloodstone | Diamond | Agate | Pearl |
| Hindu | Ruby | Topaz | Opal | Diamond | Emerald | Pearl |
| Hebrew | Garnet | Amethyst | Bloodstone | Sapphire | Agate | Emerald |
| Arabic | Garnet | Amethyst | Bloodstone | Sapphire | Emerald | Agate |
| Roman | Garnet | Amethyst | Bloodstone | Sapphire | Agate | Emerald |
| Month | July | August | September | October | November | December |
| Modern | Ruby | Peridot, Sardonyx | Sapphire | Opal | Yellow Topaz | Blue Topaz |
| Traditional | Carnelian | Jade | Sapphire | Tourmaline | Citrine | Turquoise, Lapis Lazuli |
| Tibetan | Ruby | Diamond | Agate | Jasper | Pearl | Black Onyx |
| Ayurvedic | Ruby | Sapphire | Moonstone | Opal | Topaz | Ruby |
| Hindu | Sapphire | Ruby | Zircon | Coral | Tigereye | Topaz |
| Hebrew | Onyx | Carnelian | Peridot | Aquamarine | Yellow Topaz | Ruby |
| Arabic | Carnelian | Sardonyx | Peridot | Aquamarine | Yellow Topaz | Ruby |
| Roman | Onyx | Carnelian | Sardonyx | Aquamarine | Yellow Topaz | Ruby |
Birthstones by Zodiac
The controversy over birthstones often centers around the assignment of stones by month rather than by zodiac. There are many ways to find your birthstone; aside from month or zodiac, there are stones for the day of the week and the hour in which you were born. Below are the commonly accepted birthstones for each sign of the zodiac, along with some alternative birthstones and talisman stones.
| Sign | Dates | Birthstone | Alt Birthstone / Talisman Stones |
| Aries | (March 22 - April 20) | Bloodstone | Diamond, Jasper |
| Taurus | (April 21 - May 21) | Sapphire | Rose Quartz, Aventurine, Coral, Turquoise |
| Gemini | (May 22 - June 21) | Agate | Moonstone, Pearl, Chrysoprase |
| Cancer | (June 22 - July 22) | Emerald | Moonstone, Pearl, Ruby |
| Leo | (July 23 - August 22) | Onyx | Carnelian, Tourmaline, Sardonyx |
| Virgo | (August 23 - September 22) | Carnelian | Moss Agate, Jade, Sapphire, Citrine |
| Libra | (September 23 - October 23) | Peridot | Opal, Lapis Lazuli |
| Scorpio | (October 24 - November 21) | Aquamarine | Opal, Topaz |
| Sagittarius | (November 22 - December 21) | Topaz | Lapis Lazuli, Turquoise |
| Capricorn | (December 22 - January 21) | Ruby | Agate, Garnet |
| Aquarius | (January 21 - February 21) | Garnet | Moss Agate, Amethyst |
| Pisces | (February 22 - March 21) | Amethyst | Clear Quartz, Sapphire, Bloodstone |