Baltic amber stone with fossil insect - very poorly preserved giant beetle, probably Lucanidae (similar to Aegus) or Trogossitidae Trogossitini.
It weighs 6.2 grams. Measurements of stone 48x25x19mm, length of insect body and head ~ 16.6mm.
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.