Olympic Games 800m champion Emmanuel Wanyonyi, Olympic Games 3,000m steeplechase bronze medalist Faith Cherotich and Nelly Chepchirchir were the crowned Diamond League champions in Zurich, Switzerland.
The world 800m silver medalist, Wanyonyi won the 800m title after cruising to victory in 1:42.37 ahead of World Athletics Championships in Tokyo, Japan next month.
He edged out Briton Max Burgin who came second at 1:42.42 while Canadian Macro Arop finished third in 1:42.57.
Cherotich defended her 3000m steeplechase Diamond League title with a 8:57.24, beating former Kenyan turned Kazakhstan Norah Jeruto in 9:10.87 and Tunisian Marwa Bouzayani was third at 9:12.03.
Chepchirchir won the 1500m title in 3:56.99, outpacing Jessica Hull from Australia to second in 3:57.02 Linden Hall was third in 3:57.44.