According to the American Gem Society, the origin of birthstones date back to the breastplate of Aaron -who were the brother of Moses- which contained twelve gemstones representing the twelve tribes of Israel.
A birthstone is associated with each month of the year.
You can refer to the picture below to identify yours.
As an authorized Lali Jewels dealer. World Wide Weil carries a full range of birthstones jewelry, including pendants, earrings and rings in both 14k and 18k Gold.
The pendants and earrings are available in oval and round.
WORLD WIDE WEIL LLC
Main Office: 608 Fifth Avenue, New-York, NY 10020, #503B
Showroom: 580 Fifth Avenue, New York, NY 10036, #1212