Gemscan Share definition Flag Based on a Philadelphia area jewelry marketing scheme, in parlance it refers to the act of seeing if a woman has a ring on her finger. Bruh, that shortie is hot.Did you even do a gemscan? Shit! Gemscan by Glorth2 December 5, 2023 0 0 Get merch Get the Gemscan mug. Buy Now — $32.95 See more merch