Tous Amethyst: February Birthstone Aquamarine: March Birthstone Citrine & Topaz: November Birthstone Diamond: April Birthstone Emerald: May Birthstone Engagement & Wedding Festival Gifts Garnet: January Birthstone Gemstones Jewelry Information Latest Opal: October Birthstone Pearl: June Birthstone Peridot: August Birthstone Ruby: July Birthstone Sapphire: September Birthstone Tanzanite: December Birthstone Birthstone Garnet: January Birthstone Amethyst: February Birthstone Aquamarine: March Birthstone Diamond: April Birthstone Emerald: May Birthstone Pearl: June Birthstone Ruby: July Birthstone Peridot: August Birthstone Sapphire: September Birthstone Opal: October Birthstone Citrine & Topaz: November Birthstone Tanzanite: December Birthstone