A beautiful extra large oval boulder opal with ocean green-blues and a light sand-coloured stripe. It is a true beach scene and a one-of-a-kind picture stone boulder opal. 65.23 carats....
A beautiful extra large matrix boulder opal with patchwork colours of purple. pink and green. So unique (and we certainly won't get something similar ever again). 50.31 carats. 39.3 x...
A beautiful extra large, free-form boulder opal with strong rainbow stripes and a light background / body tone. 54.70 carats. 29.5 x 23.6 mm / 1.16" x 0.93". 11.5 mm...
A triangle shaped boulder opal with rainbow stripes on light opal and caramel patterning. 4.68 carats. 18.6 x 12.4 mm / 0.73 x 0.48". 4.2 mm / 0.16" thick. Natural...
A small geometric shaped boulder opal with rainbow colours on a semi-dark background / body tone with a purple hue. 2.24 carats. 8.5 x 8.3 mm / 0.33 x 0.32"....
A large geometric boulder opal with strong, cool green and blue colours. It is also a lovely picture stone too. 18.48 carats. 30 x 12.8 mm / 1.18 x 0.50"....
A large teardrop boulder opal with rainbow colours on a darker, lilac-hue background / body tone. 17.82 carats. 24.9 x 14 mm / 0.98 x 0.55". 6.1 mm / 0.24"...
A beautiful small triangle boulder opal with strong colours, lovely movement and a dark body tone / background. 5.80 carats. 15.9 x 12.3 mm / 0.62" x 0.48". 3.5 mm...
