These pearls come from the Akoya shell, which inhabits the seas around Japan. It is also called "Wadama" in Japan, and its beautiful luster has fascinated people throughout the ages.
They come in a wide range of sizes, ranging from 2.5 to 10mm in diameter, and among them, those larger than 10mm are extremely rare and rarely come on the market due to their rarity.
South sea black pearl
NANYO KUROCHO PEARL
The mother pearl is made from a "Black-lip Oyster" cultivated in the seas near Tahiti, and comes in a variety of colors, from pale silver to black. Those with a good sheen and a greenish interference color around the red-black color are called peacock colors (the color of the peacock's feathers) and are especially rare.
South sea pearl
These large pearls are mainly larger than 10 mm in diameter and come from the white lip oysters cultivated in the seas around Australia and Indonesia.Australians tend to be silvery-white, while in Indonesia and Southeast Asia, golden-colored pearls and other pearls are produced from the gold-colored mother shells known as "gold lips. There are a variety of shapes, including beautifully shaped baroque pearls and pearl nucleus-less keshi pearls.
These pearls are made from mother shells cultivated in the lakes and rivers of China. They generally do not contain the nucleus of the pearl and insert only the cells into the mother mussel, so they are produced in a variety of forms. In Japan, it is cultivated mainly in Lake Biwa and Kasumigaura, and in recent years, large pearls with a nucleus have also been produced.
They are cultivated by attaching a semi-shaped nucleus to the inner surface of the shell of a mother shell, called a Mabe shell. The shapes range from dome-shaped to teardrop and heart-shaped. In Japan, it is cultivated in the fishing grounds near Amami Oshima and comes in white, blue, purple and other colors.