Modern vs. Traditional
The list of traditional or ancient birthstones most well-known in the United States
actually originated in Poland between the 16th and 18th centuries.
In 1912, the National Association of Jewelers released a list of so-called “modern birthstones.”
Month Modern Traditional
----- ---------- -----------
DEC Blue Zircon Turquoise
Blue Topaz Lapis Lazuli
Tanzanite
NOV Golden Topaz Topaz
Citrine
OCT Tourmaline Opal
SEP Sapphire Sapphire
AUG Peridot Sardonyx
Spinel
JUL Ruby Ruby
JUN Alexandrite Pearl
MAY Emerald Emerald
APR Diamond Diamond
MAR Aquamarine Bloodstone
FEB Amethyst Amethyst
JAN Garnet Garnet