cutedoumiao 925 silver 3ct cz engagement rings for women cubic zirconia promise engagement ring solitaire engagement ring (6) cutedoumiao <p><b>product size:</b></br> size 6: the inner circumference is about 51.9mm, the inner diameter is about 16.5mm, and the error is about 1mm</br> size 7: the inner circumference is about 54.4mm, the inner diameter is about 17.3mm, the error is about 1mm</br> size 8: the inner circumference is about 57mm, the inner diameter is about 18.1mm, the error is about 1mm</br> size 9: the inner circumference is about 59.5mm, the inner diameter is about 18.9mm, the error is about 1mm</br> size 10: the inner circumference is about 62.1mm, the inner diameter is about 19.8mm, the error is about 1mm</br></p> <p><b>jewelry maintenance:</b></br> 1. gently, avoid collisions and friction.</br> 2. avoid contact with high temperatures and acid, alkali solution.</br> 3. it can be easily removed when bathing or swimming.</p>