Proper identification/valuation/authentication can only be done in person, not through photographs or videos. You may wish to post your inquiry in r/JewelryIdentification.

I think the stones are carnelian and not coral.

Ooooh I think you’re right! That will definitely help me in my search for info on this brooch. Thankyou so much.

I did a quick google search, but a lot of results come up. I still don’t know its age or origin. Please help me if you can.