31. Most saltwater cultured pearls are grown with beads. 32. White cultured pearls turned gray, pale blue sapphires turned yellowish orange, and pink kunzite turned green. 33. They are important in the cultured pearl industry as they are used to produce South Sea pearls. 34. Pearls take a different treatment, said Devin Macnow, spokesperson for the Cultured Pearl Association in New York. 35. In general, cultured pearls are less valuable than natural pearls, whereas imitation pearls have almost no value. 36. Nucleated cultured pearls are often'preformed'as they tend to follow the shape of the implanted shell bead nucleus. 37. Returning to his native KMchi Prefecture, Hayashi became an entrepreneur, forming a company to make cultured pearls . 38. By 1935, the Japanese pearl industry was facing oversupply issues and plummeting prices for Japanese cultured pearls . 39. South Sea pearls are the largest and rarest of the cultured pearls making them the most valuable. 40. Crystal ID tags that start at $ 59 and cultured pearl necklaces at $ 89 are other options.
