Pearls come in a variety of shapes, including round, pear-shaped, egg-shaped, teardrop-shaped, button-shaped, and arbitrary. Colors are white, pink, light yellow, light green, light blue, brown, lavender, black, etc.
The shape of pearls are divided into the following categories:
Round Pearl
The roundness is divided into three types, perfect round beads, round beads and nearly round beads.
The perfect round bead is the best round. The ratio of the difference between the largest diameter and the smallest diameter to the average diameter is less than 1%; The round beads refer to pearls with a very round shape, and the percentage of the difference in diameter is between 1% and 5%; The nearly round beads that are closer to round beads in shape, and the percentage difference in diameter is between 5% and 10%.
Refers to pearls with an oval shape and the percentage of short and long ratio greater than 10%.
Flat Pearl
Refers to the shape of a flat surface, with one or two sides of the approximate plane. Such as oblate, flat oval, pie, diamond, square, etc. This type of pearl is most suitable for making pearl beads connected.
Mabe Pearl
It is a kind of half pearl, also known as half-round beads.
Shaped Pearls
Pear-shaped, drop-shaped, rice-shaped, potato-shaped, bean-shaped and other shapes of pearls are collectively referred to as shaped pearls.
