Why is the gem ring bought at the Zhou Dasheng jewelry shop change gold?

Because these gems are actually worthless, there is no gold and silver precious metal valuable
The said slogan "Diamonds are long and long, a forever spread" Diamond gives everyone a very rare gem. In fact, the truth is that the truth is The storage and output of diamonds on the earth are far higher than you think,
In the diamonds do not depreciate, so the upper head control flows
News understand this truth, so willing to quit drag also Don't want the gem above, because it is not valuable
Net to play purely, hope to adopt