Overall Dimension (including bail): 2.0 x 0.8 x 0.55 inches
Inner Bail Diameter: 5 mm
Weight: 17.5 grams
Stamp/Mark: Starborn, 925
Serial Number: p31125
Aquamarine, along with emerald, is a gemstone variety of the silicate mineral beryl. Its name meaning "sea water," aquamarine ranges in color from a sea-green to a sky-blue and generally forms large, somewhat clear crystals. In ancient times, aquamarine jewelry was thought to protect sailors.