But, the ring is insane regardless ... it's the last one of Tom Brady's Patriots tenure -- featuring a gem carat weight of 9.85. The bling also features 10 karat gold, according to auction officials.
Of course, Gordon only played in 11 games for the Pats in the '18 season after they traded the Browns for him ... he ultimately stepped away from New England before its playoff run, saying he needed to focus on his mental health.
Gordon ended the season with 40 receptions for 720 yards and 3 TDs ... famously catching Brady's 500th career touchdown pass.
Gordon returned to the Pats the following year ... but was placed on injured reserve just a few games into the season and was later cut.
Josh -- an All-Pro in 2013 who's now an NFL free agent -- is reportedly still trying to make his way back into the league this season.