Find new profit in the full range of cultured pearls. Learn sure-fire techniques for selling pearls at the retail level. In just 11 short lessons, GIA's renowned Pearls course gives you all the product knowledge you need to buy inventory, build confidence, and increase profits. Buy and sell Akoya, South Sea, Tahitian, and freshwater pearls with informed insight and skill. Learn GIA's 7 Pearl Value Factors™: size, shape, color, luster, surface quality, nacre quality, and matching. Understand the difference between natural and cultured pearls. Learn about post-harvest treatments, imitation pearls, and pearl testing.