Baltic amber stone with fossil inclusion - nice lacewing Neurorthidae.
It weighs 0.5 grams. Measurements of stone 20x6x4mm, length of insect max ~ 4.5mm, body and head ~ 3mm.
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.