7 Choices of September Birthstone

What is the birthstone for September? As a matter of fact, it is more proper to ask, what are the birthstones for September? There are all in all seven birthstones of September, the ninth month of the year. What are these different September birthstones? Here we explore the 7 types of September birthstone.

A magnificent blue sapphire ring
Source: Stanislav Doronenko via Wikimedia Commons

September Birthstones

  • Modern: Sapphire
  • Alternate-Britain: Lapis lazuli
  • Traditional: Peridot
  • Ancient: Peridot, Sardonyx & Moonstone
  • Tibetan: Agate
  • Indian: Zircon


A maiden born when September leaves
Are rustling in September’s breeze,
A sapphire on her brow should bind
`Twill cure diseases of the mind.

— Gregorian birthstone poem

Sapphire is the modern birthstone for September, both in the United States and Britain. Long before the gemstone became the modern September birthstone, sapphire was the planetary stone for Libra, while blue sapphire is a zodiac stone for Virgo, both zodiac signs falling partly in the month of September.

Sapphire is precious corundum occurring in colors other than red, which would otherwise be called ruby. This birthstone of September is a highly valuable gemstone, and has accordingly remained among the 4 precious stones of the modern day. While the gemstone is available in a variety of colors, the color of sapphire popularly regarded as the September gemstone is the blue sapphire. This September stone is believed to bring inner peace and stave off depression. See also —

Lapis Lazuli

Lapis lazuli is the alternate modern birthstone for September in Britain alongside sapphire. The gemstone’s color is arguably key to lapis lazuli’s naming as gemstone for September. Lapis lazuli, like sapphire, is blue, which is the September birthstone color. Lapis lazuli was also a zodiac stone for Libra, which falls partly in the month of September. This September stone is believed to enhance awareness and creativity. See also Lapis Lazuli: Stone of Purity.


Formerly known as chrysolite, peridot is in fact the traditional birthstone for September. Peridot was the September birthstone going as far back as several ancient calendars, namely, the old Italian, Russian, Hebrew and Arabic calendar. Before the gemstone went into these calendars as the September gemstone, peridot was the zodiac stone for Libra, which falls partly in the month of September. Peridot was indeed consistently regarded as the birthstone of September until 1912, when the gemstone was made the modern birthstone for August, where it is inconsistent both as traditional month stone and zodiac birthstone.

Peridot is gem-quality crystal of olivine, which is green to yellow in color. This traditional stone for September is believed to protect its wearer from negativity.


Sardonyx is the birthstone for September in the old Roman and Polish calendar. This September birthstone is a variety of onyx with red bands of sard instead of black, hence the name sard-onyx. The September stone is believed to enhance courage, and was accordingly worn by soldiers of Ancient Rome. See also Sardonyx: Stone of Valor.

Zircon in different colors, including blue
Source: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0


Zircon is the birthstone for September in the Hindu calendar. Zircon is also the talismanic stone for Virgo, which falls partly in the month of September. This September birthstone is a transparent gemstone of various colors, and is frequently used as substitute for diamonds. While available in different colors, this birthstone of September is most popular for its blue variety. The September gemstone is believed to bring peace of mind and prosperity.


Before zircon was the birthstone for September in the Hindu calendar, moonstone was the September birthstone in India, going as far back as the Ayurvedic or old Hindu calendar. Moonstone is composed of alternate layers of orthoclase and albite, which gives this September gemstone the look of glowing from within. The September stone is believed to relieve anxiety. See also Moonstone: Stone of Security.


Agate is the birthstone for September in the old Tibetan calendar. This September birthstone is banded chalcedony occurring in practically all colors, and includes another traditional birthstone of September among its many varieties, that is, sardonyx. Agate is believed to enhance intelligence and increase eloquence. See also Agate: Stone of Prudence.

September Birthstone Color

What color is September birthstone? The birthstone color for September is easily judged by the choices of modern birthstones for September. Sapphire, the modern birthstone for September both in the United States and Britain is most popular for its deep blue variety. Lapis lazuli, the alternate modern birthstone of September in Britain, is also blue. Zircon, the September gemstone in the Hindu calendar, is most popular in its blue variety. Hence, it is clear that blue, most especially deep blue, is the September stone color.

Of course, the other birthstones of September come in colors beside blue. Taking the other September birthstones into consideration opens up a wide range of September colors, which include green, white and red.

Startling Discovery

After extensive research on birthstones, I found that the original September birthstone remains unknown to most people. This birthstone was erroneously switched with another, and is popular to this day as the birthstone of the other month, instead of September.

Get to know the real September gemstone, as well as the magical powers of all birthstones, when you read my book Power Birthstone.

Published November 25, 2013