وَإِذًا لَّـَٔاتَيْنَـٰهُم مِّن لَّدُنَّآ أَجْرًا عَظِيمًا
Wai th an la a tayn a hum min ladunn a ajran AAa th eem a n whereupon We should indeed grant them, out of Our grace, a mighty reward,
 - Mohammad Asad
but We would have given them an extra great reward on Our own
 - Muhammad Farooq-i-Azam Malik
and We would have granted them a great reward by Our grace
 - Mustafa Khattab
And then We should bestow upon them from Our presence an immense reward,
 - Marmaduke Pickthall
And We should then have given them from Our Presence a great reward.
 - Abdullah Yusuf Ali