1. Why Black Pearl "black"?
"Black" Pearl was most often of different colors, with steel gray metallic color became more common. Completely natural pearl color and is given by the oysters, which produces a dark, multicolored mother-of-pearl secretions.
2. Is there a natural pearl Black?
Natural (uncultivated), black pearl are still happens very rarely, about one in every 10,000 oysters. It is illegal to dive for oysters in order to seek a natural pearl, because natural populations will be depleted quickly.
3. How long does it take for a culture that Black Pearl?
Graft harvest of black pearl, a period of 18 to 24 months required to achieve the desired thickness (1.5 mm and above) of the mother-of-pearl around the nucleus.
4. Is it only produce black pearl in Tahiti?
First, the Black Pearl are produced in French Polynesia to mid 60's long before any other neighboring islands. However, Cook Islands, Kiribati and now produces about 3% of world supply.
5. Why Black Pearl is much larger than white pearls?
Oyster that produces the Black Pearl can grow to 12 inches in diameter (and weighing 10 pounds), a difference of 3 inches for the "Akoya oyster that produces white pearls, which allows more central to be planted. Furthermore, when a crop Pearl White is only 5 to 6 months.
6. What criteria determine the value of the Black Pearl?
The main criteria are size, shape, surface quality, brightness and color. The most expensive pearls are rarely colored, large, round, free of surface imperfections and very lustered.
7. What color is the most convenient?
No one color is more desirable because the color choice is a personal decision. However, some unusual colors seem very popular. Among these is the famous "Peacock" color, which is a combination of green and purple eggplant.
8. How Black Pearl evaluated based on the quality of the surface?
Black Pearls are assessed by the quality of the surface (regardless of the shape and size) using a scale from A to D. "A" grade will pearl small imperfections in the limited area in less than 10% of the total area, a class "B", less than one third, "Grade C", less than two thirds and a "D Grade "more than two thirds of the surface of the Black Pearl will have a small imperfection.
