https://leotek.com/product/karboncobra-kc1/

There is a size up and down from the one linked, they can get up to 173lpw and are extremly lightweight.

Geez, they had so much room to add a decent heatsink, but you know how corporate greed is.

From what I understand modern SMD LED luminaires rely less on heatsinks, take Cree's new Guideway series, that doesn't have much of a heatsink (though it does have way more diodes).