Baltic amber stone with fossil insect - large aphid wasp (Spheciformes) Pemphredoninae.
It weighs 13.5 grams. Measurements of stone 44x25x16mm, length of insect body and head ~ 8mm.
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.