Wakana is a purely Japanese  pearl born in collaboration with one of Japan's leading pearl farms, which has won the Minister of Agriculture, 

Forestry and Fisheries Award for three consecutive years at the National Pearl Fair.

The feature is to use Untreated Natural Color ＆ Koshimono Akoya pearls.

You can also change to platinum. The size of the pearl can also be changed. Pearl part is removable.

You can use it only with a diamond necklace.