A pair long oval boulder opals with bright rainbow colours on a lilac-hued, dark background / body tone. 8.59 carats (total). ~ 21.5 x 7.3 mm / 0.84" x 0.28"....
A narrow rectangle boulder opal with pastel colours on a semi-dark, lilac-hued background / body tone. 16.10 carats. 40.9 x 8.2 mm / 1.59" x 0.32". 4.6 mm / 0.18"...
A long and narrow boulder opal with pastel colours on a semi-dark, lilac-hue background / body tone. 29.74 carats. 47.4 x 11.3 mm / 1.86" x 0.44". 5.1 mm /...
A beautiful rectangle boulder opal with rainbow colours on a lighter body tone. 8.68 carats. 20.8 x 9.9 mm / 0.81" x 0.38". 4.5 mm / 0.17" thick. Natural solid...
A large geometric boulder opal with bright rainbow colours on a lilac-hued, dark background / body tone. 28.28 carats. 32.1 x 16.9 mm / 1.26 x 0.66". 5.2 mm /...
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 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"...
