The French national team may be the iciest in all of sports ... 'cause fresh off getting championship rings from Paul Pogba, star defender Lucas Hernandez got a World Cup trophy chain!!
TMZ Sports has learned ... Lucas is following his teammates' lead in commemorating their 2018 World Cup with diamonds -- copping 2 tennis chains and a pendant of the World Cup trophy.
We're told Hernandez hit up Antonio Brown's go-to guy, Gabriel the Jeweler, for the job ... and whipped up the chains with 30 carats each, and the white gold trophy with 6 carat diamonds.
The piece even has a message engraved on the back, saying, "Champion Du Monde."
We're told the whole order is worth around $85,000.
Of course, Pogba gifted championship rings to all his teammates back in March ... so Hernandez has all kinds of WC swag now.
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