SHOP AQUAMARINE BAR STUDS PreviousBLACK HERKIMER STUDS NextPatera Studs 14k Gold AQUAMARINE BAR STUDS AQUAMARINE BAR STUDS $198.00 Made from natural light blue aquamarine crystals wrapped in 14k yellow gold with sterling silver posts and earring backs. The crystals measure about 1/4" long x 3/16" wide. sold out Add To Cart