January - Red color Garnet
February - Purple color Amethyst
March - Aqua color Aquamarine
April - Clear color Diamond
May - Green color Emerald
June - Lavender color Alexandrite
July - Dark pink color Ruby
August - Green light Peridot
September - Blue Dark color Sapphire
October - Pink color Pink Tourmaline
November - Yellow color Topaz
December - Blue color Zircon
(stones sometimes can be little darker or little lighter than on the picture).