Akoya pearls are the most traditional kinds of pearls and are also acquired from saltwater from the Akoya oysters. These are commonly used in the producing of pearl necklace and pearl earrings due to their perfect rounded forms, soft colors and bright lusters. Hence, these types of pearls are most recommended by pearl specialists and continue to be the choices of customers and merchants. Akoya pearl oysters are often farmed widely in countries like Japan and china and less extensively in Thailand, Vietnam and Australia. Despite their different regions, these types of pearls usually share similar typical features. The cultured pearls produced by Akoya oysters are less when put next to the amounts generated by the white-lip oysters and black-lip oysters. These types of pearls used in making pearl earrings and pearl necklace are often of 6 to eight millimeters in length and on the whole their length may range between 2 to 11 millimeters.
The prices of Akoya pearls rely and vary in accordance to its size. Akoya pearl necklace or pearl earrings are usually constituted in the standard forms of thin threads that are separated by half inch intervals. Just one fine thread may be approximately 6.five to seven mm in size or around seven to seven.five millimeters in length. In the event the strand is determined to be of single size, then its dimension would range from seven to 7.5 millimeters. The nacre from which Akoya pearls are extracted is generally thin, compared to other saltwater pearls, as these are nucleated from beads and because the time for its culturing exceeds two years. The dethroning of nacre remains at its apex during warm months and remains the vice versa during colder months. The time period quickly after the colder months is determined to be the proper time for pearl harvests.
A strand of Akoya pearls value is driven by 6 characteristics of quality. Just one pearl or perhaps a fine thread of Akoya pearls are considered to be of greatest quality, or else known as “hanadama quality”, when it scores in the top most classification of every exceptional size. Akoya pearls are usually perfectly spherical in form. Nevertheless sometimes, their shapes also differ from ovals, drops and baroques of enticing colors in the market. Completely round pearls would be the most valued of all categories.
The dimensions of those pearls varies from two to eleven millimeters, with most general dimensions varying between 6 to 8 mm. Pearls which are bigger in dimension are obviously more valued. The surface area of the pearl is the next facet to be established. Akoya pearls are often free from dents, pits and bumps, which are the standard surface blemishes. The lesser the viewable surface blemishes, the higher is the worth of the pearl. The quality of the nacre from which the pearl is extracted is classified into 3 types: chalky appearance – the appearance of the pearl is generally dull. Acceptable – a pearl is said to be acceptable when its nucleus is invisible and does not have a chalky appearance. Nucleus visible – in this case, the bead is noticeable once the pearl is revolved.