Total mass: 5. 13g

Color: white

Shape characteristics: round and bright shape cutting

Appraisal result: diamond ring

Total mass: 4.64g.

Color: white

Shape characteristics: round and bright shape cutting

howdy

Both can be inspected, both are genuine diamond rings, but they cannot be valued.

Because the weight, purity and color of the main stone are unknown, there is no basis for estimation.

The gold content of 18k gold is 750‰, and the mark "750" indicates 18K gold.

Answering questions is not easy. If it helps, please adopt it in time.

I hope the answer can help you.