Baltic amber stone with fossil insect - very rare not perfect condition small aquatic predaceous diving beetle Dytiscidae.
It weighs 0.2 grams. Measurements of stone 10x6x3mm, length of larvae ~ 2.5mm.
I can send digital high resolution picture by e-mail for personal (not commercial) use. Contact me concerning it.
If you which stone can be made into pendant for free. Please check if stone measurements are suitable for you.