Edison Pearls: A Guide to Nucleated Cultivation, Colors, and Sizes
Where did the name Edison come from?
Edison is the fancy name for the type of pearl, also regarded as a Nucleated Pearl
What is the process to make Edison pearls?
The Edison pearl is cultivated similar to Akoya & South Sea pearl by inserting one bead into the mussel tissue of the oyster.
How long do they take to grow?
Approximately 3 years.
What is the size of the bead?
The nucleated bead is around 8mm.
What is the size of the nacre?
The nacre size is between 2mm to 3.5mm.
What is the species name of the oyster they are made in?
The name of this mussel is called Hyriopsis cumingii. Pearl farmers call it Triangle Mussel (because it’s in the shape of a triangle).
What are the natural colours?
There are many natural colours, such as light/deep purple, light/deep peach, pink colour, metallic gold, metallic pink, white, some even can be very strong grey. Black Edisons pearls, however, have been dyed.
How do they get their colour?
The inner lining of the mussel creates the colour of the pearl.
How many pearls are in an oyster?
One piece only.
What sizes do they come in?
Range from 10 to 18mm, mainly between 12-15mm.