C518 Exposed Prototype

Shan Wei's heart tightened as she subconsciously curled her fingers.

"No tests?" The old man narrowed his eyes.

"I tested it." Shan Wei said reluctantly.

The old man stared at the huge diamond. "What about the inside of this diamond?"

Shan Wei panicked a little, "Teacher, Xiao Jingshen can't possibly suspect us. There will be no problem with this ring. "

To examine the inside of a diamond