0.3g This was originally part of a necklace, and I believe it was Pt900. Since it's almost weightless, I don't think Pt850 would make much difference. I've lost the appraisal certificate, and I only have a note saying VVS1. Please understand that I have no proof. I had it appraised at a shop, and it tested positive with their machine. From my grandparents' belongings. I'm listing items gradually because there are so many. They mainly belonged to my grandfather, who had many hobbies, so I don't have specialized knowledge. It will be difficult for me to answer questions. I will consider lowering the price of older items after I finish listing a certain amount.