Look Fabulous and Stylish with Bergman & Sons Black Pearl Jewellery

The black pearl industry of the Cook Islands is located on the remote Northern Group Island of Manihiki about 1300 kilometres away from the capital island of Rarotonga.

The farming practice of the black pearl follows environmental guidelines to safeguard sustainability and to achieve the very best results from the black lipped mother of pearl shell (pinctada margaritifera) which are native to Manihiki lagoon and home to cultured black pearls.

The culturing process of a black pearl is a highly skilled vocation as it involves pearl farmers, pearl technicians and experienced labours. Dealing with the living shells in the pristine waters involves daily chores on the water that forms a true partnership between man and nature.

The black pearls in the Cook Islands are graded according to recognised international criteria using an A, B, C, D classification system. As with any gem, it requires a thorough study and experience to fully understand pearl grading.

The size of the black pearl is measured in millimetres where most of the cultured pearl sizes can range from 6 to 18 mm. The shape of the pearl is typically categorised as round/semi round, oval, circle or baroque/semi baroque.

The black pearl as with any nature product, finding a perfect surface quality of the pearl is rare. Blemishes on the surface of the pearl are some of the most common imperfections.

The lustre of the black pearl depends upon the reflection of light of the surface of the pearl as determined by the millions of layers of nacre that constitute a pearl. The pearl with fine layers has more lustres.

The rainbow of natural colours of the pearl that is seen in the pinctada margaritifera shell is retained in the pearls. Black pearls include platinum and silver hues ranging from black blue, green, pink and the occasional peacock colour combinations.

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