18 KARAT DIAMOND HALO EARRINGS. EACH CENTER DIAMOND IS 0.50 CARATS EACH, BOTH ARE EGL CERTIFIED. ONE DIAMOND IS SI2, F EGL CERT: US917110003D. ONE DIAMOND IS SI2, F EGL CERT: 9171110022D. THERE ARE A TOTAL OF 36 ROUND BRILLIANT DIAMONDS SET AROUND THE CENTER DIAMONDS, TOTALING 0.08 CTTW.