Natural Pearl Necklace Freshwater pearls are available in white, pink and purple, and the price is not too high, ranging from tens to thousands, while seawater pearls are generally available in white, black and gold, and the worst price ranges from thousands to hundreds of thousands. Generally, you buy more freshwater pearls, which can be bought for tens of dollars cheaper. Specifically, you can go to Baidu Jinyun jewelry, where the products are more detailed.