The custom of wearing a particular gem for the month in which one is born apparently originated in the sixteenth century in Germany or Poland. Several different lists of birthstones have appeared over time. This one was sponsored by the Jewelry Industry Council in 1952.

January—Garnet

February—Amethyst

March—Aquamarine

April—Diamond

May—Emerald

June—Alexandrite

July—Ruby

August—Peridot

September—Sapphire

October—Opal

November—Topaz

December—Turquoise