In the pantheon of hip-hop’s greatest jewelers, the names read off like a list of Uncut Gems cameos or shout-outs in some of the most-dripped bars in rap history. There’s Jacob Arabo, A$AP Eva, Greg Yüna (the former Mr. Flawless), Johnny Dang, and of course Ben Baller.

But then there’s Lorraine Schwartz, who pretty much lives on her own level. The world-…