A thinly coated pearl will not
last many years.
The thickness of the nacre is the key to its finest qualities of appearance colour and lustre.
Quality and size are controlled by the size of the insert and the thickness of the nacre over time.
Colder water and time are optimal to nacre quality.
Colour is enhanced by dyes today as consistency and stability of the finished
Cultured Pearl or string is required by the Marketing Authorities worldwide.
A White pearl of greater than 12mm is of the highest value , and sizes for cultured pearls range from 2mm to 20 mm with a minimum of .3 mm nacre and increasing thickness to .8 mm defining the highest price.
Only time will add value to a growing pearl and the world is our oyster.
But the mystery and mastery of culturing a perfect pearl was a japanese state secret until quite recently.
And colour remains a mystery and proves to remain a secret when an experiment to grow 5 identical pearls resulted in 5 different coloured pearls
Glorious globe a pearl in space.
