Chương 537: The Extremely Overbearing Old Master Qian!

Jonah seemed to have prepared earlier. He smiled slightly and pulled out a certification. It was a Gubelin certification. Besides the Gubelin certification, there were also certifications from major jewelry appraisal firms. All the certifications were displayed on the big screen.

Shen Qianshu's face froze. The auction was done so hurriedly. Where did they have the time to send for certifications? Unless there was an appraiser who had already been waiting earlier, or perhaps… all these certifications were fake. She herself was a Gubelin appraiser, so she knew the best.

This was such a big diamond. Hence, the appraisal work should be extremely complicated and would require at least one month's time to appraise. How was it possible to complete it within a short span of a few days? This was not a 1-carat diamond. It was a 1600-carat original diamond!