Pink and black pearls are of high quality. It was difficult to wear a necklace in those days, and if they were available, they were very expensive. Because of the low output, it is rarely used in necklaces, and it is usually made into pearl rings.
For ivory, white and gray pearl necklaces, the choice is based on natural luster and transparency. Here, luxury jewelry should remind everyone that pearl necklaces with very uniform sizes are probably made of pearl powder, so you must be very careful when buying them.