Pearls suggest Island people gathering eggs in their open Nantucket Lightship work baskets. Three sizes are available in this series. Small, medium and large.18k small pearl, $1300. Basket bottom measures 1/4"x 3/8".18k medium pearl filled, $2100. Basket bottom measures 5/16" x 1/2".18k large pearl fillled, $ 4400 Basket bottom measures 7/16" x 5/16"
Fresh water pearls are harvested from a type of large mussel called a triangle mussel.  Ocean clams produce the more well known salt water pearls.