Gold Filled Jewelry consists of 2-3 layers of solid gold (bonded or pressed) with other metals a brass, silver, or other base metal. 

Akoya cultured pearls form in the Pinctada Fucata oyster.  These oysters are thriving in the hidden bays off the coast of Japan in the cold saltwater of the Pacific Ocean. All Akoya pearls come from Japan.  These pearls are harvested in the colder months from December to March and produce pearls with the highest thickness of nacre. The highest quality Akoya Pearls grow in the ocean up to about two years to allow sufficient time for the pearl to form with thick nacre and wonderful luster