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Majority of these freshwater cultured pearls actually originate from the rivers and bays of China in its Shanghai region. These pearls without any nucleus can be distinguished because of their original shape, variety of colours available in pastel tones having their intense lustre. Some pearls may even be having higher than 10 mm diameter and some of them are perfectly round. Any baroque shaped pearls can be used for creating exclusive attractive jewellery of pearl. Nowadays, freshwater pearls having a nucleus can also be cultivated and its diameter can be as high as excess of even 20 mm.
There are Akoya cultured pearls available with white to creamy colours that come from Japan’s southern sea bays and have also been farmed for many years in China and Vietnam in its southern parts. Size of these pearls may vary between 5 to 10 mm and they are available of good quality and also have good lustre. Colours available are mostly in desirable colour varieties which are white, greenish-white and pinkish-white.
The term “SOUTH SEA CULTURED PEARLS” will include, any cultured pearls of white South Sea on one hand and on the other hand black and grey, which are termed as “TAHITI CULTURED PEARLS”. This white coloured South Sea pearls are made by “PINCTADA MAXIMA”, oyster that occurs in off the Australia’s north coast water, Indonesia, Thailand, Philippines, and Myanmar. You can find them with a soft, fascinating colours ranging from gold, cream, silver grey and white and velvety lustre.
The natural coloured shimmering Tahitian pearls, usually originate in the “Pinctada Margaritifera” oyster, found in South Pacific, eastern side of Cook Islands and also in the waters of the French Polynesia islands.
Usual diameters of 8 – 20 mm, with variety of shapes with enchanting natural colours along with typical soft lustre can make this South-Sea cultured pearl, available in white, black or grey are the true jewel.
Quality and criteria for price
The criteria for shape, size, lustre, quality, surface texture and thickness of any mother-of-pearl layer and colour are all decisive for all types of cultured pearls. Plenty of experience is required to determine their quality criteria accurately.
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