Saffron is the most expensive spice in the world.<br />It is used in a variety of cuisines, as well as a fabric and skin dye.<br />And just one pound of the spice can cost consumers $5,000<br />But just what makes saffron so wildly expensive? <br />It's a complicated spice to harvest, requiring a lot of physical labor.<br />Saffron comes from the saffron crocus flower, which has three red stigmas.<br />The stigma is the female part of flower, which contains the saffron spice. <br />