Oval aquamarine. Turquoise color.
Oval. About 1/2” on its long side
It was passed down to me- it was amongst my grandmothers things
An Unmounted Aquamarine,
the oval mixed-cut stone of pleasing blue color, estimated to weigh 6 cts, maximum length 12mm.
Recommend gem testing to verify as I have my concerns from the photo. Estimates based on being genuine.