Tokyo Olympics silver medallist Jakub Vadlejch of Czech Republic was third with 1416 points.
The 25-year-old Chopra rose to world number two on August 30 last year but was stuck behind Peters since then.
In September last year, Neeraj Chopra won the Diamond League 2022 finals in Zurich, becoming the first Indian to win the prestigious trophy.
He won the title at the season-opening Doha Diamond League on May 5 with a throw of 88.67m.
He will next compete at the FBK Games on June 4 in the Netherlands, followed by the Paavo Nurmi Games in Turku, Finland, on June 13.
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