Topaz is the birthstone for November while the blue topaz is an alternate birthstone for the month of December making these Blue Topaz Studs an excellent choice for November or December birthdays or even a stunning holiday gift. These bright blue stones represent understanding, wisdom, and creativity as well as uprightness and virtue. With 3mm stones set into 14kt white or yellow gold, you will simply reward a loved one with a gift that will bring them blessings and delight.