7ct Boulder Opal - 14.5 x 8.5 x 5.4mm

12.30ct Crystal Opal - 22 x 15 x 6mm

5.71ct Dark Opal - 14.1 x 12.2 x 5.9mm

18.93ct Boulder Opal - 25.50 x 13.95 x 6.41mm

4.68ct Boulder Opal - 13.60 x 10.35 x 3.93mm

10.82ct Boulder Opal - 23.23 x 10.26 x 5.10mm

16.82ct Boulder Opal Pair - 13.95 x 12.43 x 5.40mm

5ct Boulder Opal - 16.40 x 9.61 x 3.95mm

6.89ct Boulder Opal - 17.1 x 11.4 x 4.3mm

17.20ct Dark Opal - 30 x 20 x 6mm

4.4ct Dark Crystal Opal - 14.5 x 11 x 4.3mm

6.05ct Boulder Opal - 22 x 9.4 x 3.8mm

21.74ct Boulder Opal - 29.4 x 16 x 6.2mm

16.30ct Boulder Opal Pair - 17.50 x 10.30 x 4.5mm

9.41ct Boulder Opal - 18.5 x 15.2 x 5.8mm

9.10ct Boulder Opal - 18 x 12.3 x 4.5mm

16.04ct Black Crystal Opal - 19.1 x 17 x 8.4mm

2.5ct Black Opal Pair - 8.2 x 6.4 x 3.2mm

2.04ct Black Opal - 8.7 x 8.5 x 4.8mm

2.56ct Black Opal - 12.3 x 11.3 x 2.5mm

2.36ct Black Opal 10 x 7.6 x 5.2mm

2.66ct Dark Opal - 9.4 x 8.4 x 5.2mm

3.58ct Black Opal 11.1 x 9.6 x 5.8mm