Olympic champion Matthew Centrowitz and three-time world champion Asbel Kiprop will line up for their first 1500m clash since Rio last year, while the 800m will reunite top trio from Rio: Caster Semenya, Francine Niyonsaba and Margaret Wambui.
Details here:
https://www.iaaf.org/news/news/lausanne-diamond-league-2017-centrowitz-semen