Topaz and Citrine are the birthstones for people born in November. Topaz is the more common gemstone associated with November and comes in a variety of yellow hues. The name topaz comes from the Greek name for St. John's Island located in the Red Sea, Topazios. This is because yellow gems were mined on this island, however they were likely not topaz. Discover Topaz and Citrine Jewellery by the world's most exciting designers.