Birthstones and Their Meanings: A Complete Guide to Every Month

Birthstones are gemstones assigned to each month, and the American Gem Society is the standard U.S. reference for the modern list.

The list most Americans see runs garnet in January through turquoise in December — with June, August, October, November, and December carrying more than one recognized stone. One caveat: the meanings attached to these gems are tradition, not fixed fact, and shift between jewelers, cultures, and publications.

Birthstones By Month

Each month maps to at least one primary gemstone; the American Gem Society’s chart is the most commonly cited U.S. reference. Meanings below are popular tradition, not dictionary definitions.

Why Some Months Have More Than One Birthstone

Multiple stones exist because different authorities merged traditional and modern lists over time. June carries three — pearl, alexandrite, and moonstone — one of only two months with three widely recognized options. August follows with peridot, spinel, and sardonyx; the American Gem Society states sardonyx was the original August stone and peridot later became primary. If you were born in August and heard “peridot,” your grandmother may have heard “sardonyx” — both correct, from different eras. Comparing options like pearl, alexandrite, and moonstone for a June gift is easier side by side; a roundup of tested birthstone jewelry picks can help narrow the field.

There is no single universal birthstone authority; modern lists differ by source, especially for alternate months. The safest approach for a U.S. reader is to treat the American Gem Society’s birthstone chart by month as the main reference, noting others as traditional or modern variants.

Do Birthstone Meanings Actually Mean Anything?

Symbolic meanings vary by jeweler, culture, and publication — popular tradition, not fixed definitions. A single stone can carry a dozen overlapping associations, none standardized. January’s garnet gets linked to trust, strength, courage, protection, and loyalty — five traits no source agrees on definitively. February’s amethyst picks up royalty, hope, passion, peace, and clarity; September’s sapphire draws wisdom, loyalty, serenity, and nobility. The threads are consistent in spirit but not wording, so buying advice should lean on the stone itself — color, cut, setting, budget. Reading two or three charts side by side makes the pattern obvious: the gem is fixed, the story flexible. A birthstone gift works because of the personal link to a birth month, not because a gem guarantees an outcome.

Picking The Right Stone For The Month

Start with the primary stone, then decide whether an alternate suits the wearer better in color, durability, or price.

• June: pearl reads classic, alexandrite rare and color-changing, moonstone soft and translucent.
• August: peridot brings bright yellow-green, spinel a wider color range, sardonyx a banded, earthy look.
• October: opal flashes multiple colors, while tourmaline comes in almost any shade.
• November: topaz and citrine both lean warm gold, though topaz can also appear in blue.
• December: turquoise is opaque and matte, tanzanite deep blue-violet, zircon bright and brilliant.

Durability matters as much as color. Diamond, sapphire, and ruby rank among the hardest gemstones and handle daily use well. Opal, pearl, and turquoise are softer and scratch more easily, suiting earrings, pendants, or occasional-wear rings better than a ring worn through dishwashing and gym sessions. Match the stone to how the person will actually wear it, not to a chart alone.