Overall Dimension (including bail): 1.0 x 0.5 x 0.4 inches
Inner Bail Diameter: 3 mm
Weight: 4 grams
Stamp/Mark: Starborn, 925
Serial Number: p32493
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.