Petra Diamonds’ Q1 FY 2022 figures (July-September 2021) show the revenue of the diamond mining company went up 48% to US$114.9 million compared to the same period last year (Q1 FY2021: US$77.7 million). This strong result was driven by proceeds from the Exceptional stones sale during this quarter totaling US$50.2 million. In addition, diamond prices on a like-for-like basis went up ca. 3% compared to Q4 FY 2021. Production during Q1 FY 2022 equaled 861,991 carats, increasing 8% compared to Q4 FY 2021 when production equaled 794,952 carats.