1. size: Mabei pearl belongs to one of the largest pearl varieties, and the diameter of each pearl can reach about 10-20mm. In everyone's opinion, the bigger the pearl, the more precious it is, but it should be selected according to the appropriate size when purchasing.

2. Shape: Marbella Pearl is actually a kind of regenerated pearl. Before this, each pearl oyster can produce two round pearls first, and then cultivate 3-7 Marbella pearls, especially Marbella pearls in Australia have the highest yield and quality, which are characterized by large pearl volume, extremely delicate luster, pure silvery white and smooth surface.

3. Gloss: The so-called luster is the soul of pearls, and pearls without light or with little light lack aesthetic feeling. It's like human eyes. The brighter the brighter. The brighter the pearl luster, the better. The reflected light should be bright and sharp. The surface is like a mirror, and the image is clear and best.

4. Smoothness: If there are pits, spots, threads and protrusions on the pearl surface, these flaws will affect the value of the pearl. The surface of pearls observed by naked eyes is delicate, preferably almost flawless.

Mabei pearls are rich in colors, such as white, pink, blue, champagne, resplendent and purple. Among them, white with rainbow is the best, in addition, blue and brown are also very popular.