Rarity of Colors in Sea Glass Jewelry

Until recently, it was believed that jewelry found on the site of Enkapune Ya Muto in Kenya was the oldest jewelry discovered. The beads on this piece of jewelry date back almost 40,000 years and are made of polished ostrich egg shells. However, the oldest known jewelry ever discovered were 10,000-year-old beads crafted from Nassarius shells.


Sea glass has gained popularity, partly due to rarity and origin. Sea glass has existed since glass-making was first introduced, before 2000 B.C. in Mesopotamia, and can be found all over the world. In 2007, the North American Sea Glass Association became a formal organization and there are around 90 members today.

Sea Glass Colors and Rarity

There is a simple explanation for why certain sea glass colors are more valued than others. Sea glass rarity and value are tied to supply and demand. The rarer the glass color, the less of it that exists. The more plentiful the supply, the