27.95 ct roughly rubbed opal piece 36mm across

3.10 ct drop shape black opal 11.5x9.5x4.5mm

11.71 ct black opal 21.5x15x5mm

4.63 ct black opal 14x9x6mm

3.22 ct gem flag harlequin pattern black opal 12x9x4.5mm

1.84 ct high domed gem black opal 9x7x5mm

2.78 ct black opal 11.5x10x4mm

4.41 ct semi black opal 14.8x12x4mm

1.29 ct crystal opal 9.5x7x3mm

2.13 ct light opal 11x8x3.5mm

1.06 ct crystal opal 10.5x6x2.5mm

2.14 ct crystal opal 10.5x7x5mm

3.18 ct crystal opal 12x9x4.5