As he pursues his second championship ring with the Boston Celtics, star guard Jaylen Brown has already made a major addition to his jewelry collection. Per TMZ, Brown purchased a $250,000 chain with a 200-carat Celtic-green emerald in the middle as he prepares for Boston's upcoming playoff run.

Jaylen Brown just got something incredible to complement his Celtics championship ring ... a $250k chain with an emerald centerpiece right before his quest for another title!! TMZ Sports has learned

Brown has been playing through a bone bruise in his knee, and it appears that part of his motivation for continuing to play is to qualify for end-of-season awards by hitting the 65-game mark.