Pearl jewelry can be a great option for any special occasion. First, it is important to note that there are two different kinds of pearls: freshwater pearls and saltwater pearls. Though the two look similar, freshwater and saltwater pearls come from two totally different sources. Freshwater pearls form in various species of freshwater mussels, which live in lakes, rivers, ponds and other bodies of fresh water, in both warm and cold climates. Freshwater pearl jewelry, such as freshwater pearl necklaces, tend to be less expensive then saltwater pearls. However, saltwater pearls grow within pearl oysters, which live in oceans. Saltwater pearl oysters are usually cultivated in protected lagoons or volcanic atolls. You might also look into Tahitian pearl jewelry. The Tahitian pearl, a kind of saltwater pearl also known as a black pearl because of its darker hue, is an organic gem formed from the black lip oyster. These pearls are extremely rare and can be quite expensive. If you’re looking to wedding rings or engagement rings, for example, you might want to consider pearl wedding rings or pearl engagement rings. Pearl wedding rings can be great options as they are durable, unique and beautiful.