Pearls

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Pearl Information

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Pearl Information - Pearls.

Size:
In the Cook Islands, Pinctada Margaritifera produces pearls with an average diameter of 10-11mm. While sizes can reach 18mm, pearls of 13mm or more are rare and represent a small percentage of any harvest. Most pearls range in diameter from 8-12mm.

Lustre:
This term refers to the brilliance and reflection of light on the surface of the pearl. Warm and alluring, it is a virtue that combines the quantum nature of light and the subjective views of the beholder.

Colour:
The colour of the pearl comes directly from the mantle of the shell, which secretes the nacre (mother of pearl) required to develop it. The basic black or dark grey colour of the Cook Islands cultured pearl combines with a multitude of hues from its host shell, ranging through iridescent green, ocean and peacock blues, pink/rose, golden, platinum or rainbow highlights. All colours have their special qualities and individual taste should be the criteria for judging them.

Shape:
Fine pearls will have an absence of surface marks or depressions. The surface quality is judged by the position and number of blemishes, and ranges from marked to exceptional. As with any of nature's creations, it is unusual to find a pearl totally without these markings. Instead, they should be considered as evidence of nature's art.



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