The 10 Most Expensive Jewelry Brands

9. Mikimoto

Founded in 1893 by Mikimoto Kōkichi, the Japanese entrepreneur who created the first cultured pearl, the Mikimoto company focuses mainly on rare and luxurious pearls with which they create exclusive pieces of jewelry. To pair with these very special pearls, Mikimoto employs fine materials from 18-karat gold to gemstones, and from the best diamonds to silk thread.