Bubble Pendant set with a smooth cabochon gemstone. 
 
Model wears this necklace set with green onyx for size reference.
Materials: the necklace is made of gold plated sterling silver and is set with chalcedony.
Details: the chain is 16" with an extension chain to 18" and has a spring clasp. The round gemstone is cut en cabochon and is approximately 10 mm in diameter.