The National Association of Jewelers put together the modern list of birthstones in 1912.

Birthstones by Month


Garnet - birthstone of January Garnet

Garnet is a romantic stone that comes in a rainbow of colors.


amethyst - February birthstone Amethyst

Amethyst was once said to help reduce drunkenness.


Aquamarine - March birthstone Aquamarine

This pale blue gemstone gets its name from the Latin term for water and sea, ‘aqua’ and ‘marina.’


diamond - april birthstone Diamond

Diamond is the hardest gemstone on the market with a Mohs Scale rank of 10.


emerald - may birthstone Emerald

Most emeralds have natural inclusions that look like small fractures.


alexandrite - june birthstone Alexandrite

Natural alexandrite gemstones have color changing abilities. Pearl is the alternate stone for June.


ruby - july birthstone Ruby

Ruby has the same chemical composition as sapphire.


peridot - August birthstone Peridot

Peridot is a historical gemstone that used to be more widely known as Olivine.


sapphire - september birthstone Sapphire

Sapphire is a durable gemstone that makes a great alternative engagement ring.


opal - october birthstone Opal

Some people believe that opal is bad luck. However, this myth has been debunked.


topaz - november birthstone Topaz

Both golden citrine and yellow topaz are the birthstones for the month of November.


turquoise - december birthstone Turquoise

Turquoise is the traditional birthstone for December, but Tanzanite and Blue Topaz have been since added.

Birthstone Chart

Month Primary Alternative Zodiac Primary
January Garnet Aquarius Garnet
February Amethyst Pisces Amethyst
March Aquamarine Aries Bloodstone
April Diamond Taurus Sapphire
May Emerald Gemini Agate
June Alexandrite Pearl, Moonstone Cancer Emerald
July Ruby Leo Onyx
August Peridot Virgo Carnelian
September Sapphire Scorpio Beryl
November Yellow Topaz Citrine Sagittarius Citrine
December Turquoise Blue Topaz, Tanzanite Capricorn Ruby

Birthstone History

Birthstones have been around in some fashion for over a thousand years. The orgins of giving each month a gemstone originates in Judiasm and Christianity.

The beginning of birthstones how we know them today developed somewhere between the 14th and 18th centuries. It wasn’t until 1912 that the list became standardized.



We dive deep into the facets of antique and estate jewelry, offering you a richer understanding and appreciation for these heirlooms.


Lauren Thomann is a seasoned antique jewelry dealer and appraiser who founded Ageless Heirlooms in 2006.

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