Baltic amber stone with fossil insects - large rare ground beetle Carabidae, probably Platynini.
It weighs 2.3 grams. Measurements of stone 30x14x8mm, length of beetle body and head ~ 7.5mm.
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.