Birthstones established in 1912 by the American National Retail Jewelers' Association:
- JANUARY Garnet
- FEBRUARY Amethyst
- MARCH Bloodstone/Aquamarine
- APRIL Diamond
- MAY Emerald
- JUNE Pearl/Moonstone
- JULY Ruby
- AUGUST Peridot/Sardonyx
- SEPTEMBER Sapphire
- OCTOBER Opal/Tourmaline
- NOVEMBER Topaz
- DECEMBER Turquoise/Lapis lazuli
