A birthstone is a gemstone and used in personal jewelry or birthstone jewelry. Birthstones are associated with each month.

Birthstone by month:

January – Garnet
February – Amethyst
March – Aquamarine, Bloodstone
April – Diamond
May – Emerald
June – Pearl, Moonstone
July – Ruby
August – Peridot
September – Sapphire
October – Opal
November – Topaz, Citrine
December – Tanzanite, Turquoise

Note – There are different stone for different country based on their cultures so that this stone may be different then your own!