A pair of colored diamond ear clips, by Nirav Modi. Photo Christie's Image Ltd 2013

Each set with a modified cushion-cut fancy yellow diamond, weighing approximately 31.17 and 30.63 carats, within a circular-cut pink diamond surround, to the circular-cut yellow diamond gallery and clipback, mounted in 18k gold. With maker's mark for Nirav Modi. Estimate $1,400,000 – $1,800,000

With reports 2135579663 and 5131579659 dated 8 and 7 February 2013 from the Gemological Institute of America stating that the diamonds weighing approximately 31.17 and 30.63 carats are fancy yellow, natural color, VS1 clarity, with excellent polish and excellent symmetry 

Christie's. NEW YORK MAGNIFICENT JEWELS AND THE PRINCIE DIAMOND. 16 April 2013. New York, Rockefeller Plaza.