I haven't purchased from him, but we've spoken a bunch. Hes always willing to provide more videos/pics, and IMHO the stones are extremely fairly priced. I wouldn't have any issues or concerns about purchasing from him
I bought a rose cut from him in April, estimated color OP. Very easy transaction, he very kindly put it on hold for me while I waited to hear back from a jeweler about setting options, and I wouldn’t hesitate to buy from him again. The stone I bought was from an Instagram post om April 13th if curious.
I have bought numerous gemstones from Alex and a heart shaped diamond. He did have a GIA cert for it and I am very happy with it. He is honest and his customer service is excellent. I would purchase from him again!
I have purchased a couple of stones from him before (a grape garnet and a pink zircon), and would do so again if there's something that catches my eye. I find that his stones are reasonably-priced, and the stones I've bought are fairly-represented.