Big Stone Green Tourmaline Rings

4.5 crt - AAA

4.858 crt - AAA

7.5 crt - AAA

4.82 crt - AAA

10.84 crt - AAA

4.68 crt - AAA

13 crt - AAA

7.05 crt - AAA

9.264 crt - AAA

4.4 crt - AAA

4.61 crt - AAA

6.56 crt - AAA

4 crt - AAA

7.24 crt - AAA

4.48 crt - AAA

14.44 crt - AAA

4.83 crt - AAA

5.448 crt - AAA

7.62 crt - AAA

11.66 crt - AAA

4.864 crt - AAA

4.8 crt - AAA

7.62 crt - AAA

4.644 crt - AAA

5.22 crt - AAA

6.56 crt - AAA

4.86 crt - AAA

4.728 crt - AAA

4.71 crt - AAA

7.752 crt - AAA

4.8 crt - AAA

4.5 crt - AAA

4.62 crt - AAA

5.3 crt - AAA

4.548 crt - AAA

4.7 crt - AAA

9.264 crt - AAA

4.73 crt - AAA

4.788 crt - AAA

4.596 crt - AAA

7.74 crt - AAA

4.5 crt - AAA

7.88 crt - AAA

4.692 crt - AAA

6.69 crt - AAA

4.108 crt - AAA

7.16 crt - AAA

5.3 crt - AAA

12.47 crt - AAA

9.128 crt - AAA

10.18 crt - AAA

4.5 crt - AAA

4.74 crt - AAA

7.6 crt - AAA

6.68 crt - AAA

5.108 crt - AAA

11.18 crt - AAA

12 crt - AAA

6.974 crt - AAA

8.14 crt - AAA