169 items
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1.9 ct Green Crystal Opal - Lime Green Pinfire Play -
1.9 ct Matched Black Boulder Opal Pair - Teal & Green Flash -
1.9 ct Pink Boulder Opal - Green & Pink Flowing Colour Play -
1.9ct Boulder Opal - Pink, Green & Red Pinfire on Blue-Green Host Body Tone -
10.3ct Boulder Opal - Streaks of Pink, Gold & Green Pinfire on Light Green Host Body Tone -
12.9 ct Kite-Shaped Boulder Opal - Blue Base with Green & Aqua Flash -
14.0ct Boulder Opal - Bright Purple Band on Natural Host Body Tone -
16.7 ct Boulder Opal - Aqua Blue Base with Rolling Teal & Green Flash -
167.4ct Koroit Boulder Opal Specimen (Half Moon) — Nebula Drift -
2.0 ct White Opal - Dual-Tone Multicolour Colour Play -
2.09ct Matched Boulder Opal Pair - Green & Violet Play on Sky Blue Host Body Tone -
2.0ct Boulder Opal - Electric Green & Blue Pinfire on Green Host Body Tone -
2.0ct Boulder Opal - Harlequin Pattern on Deep Purple Base -
2.1 ct Green Boulder Opal - Flowing Green Colour Play -
2.1 ct Purple Boulder Opal - Multicolour Pinfire Pattern -
2.1ct Boulder Opal - Crimson & Green Play on Purple Host Body Tone -
2.1ct Boulder Opal - Green & Purple Bars on Blue Host Body Tone -
2.1ct Smoky Purple Boulder Opal -
2.2 ct Kite-Shaped Boulder Opal - Soft Pastel Colour Play -
2.2 ct Purple Boulder Opal - Green Pinfire Contrast -
2.2 ct Square Blue Boulder Opal - Green, Blue & Purple Colour Bands -
2.2ct Boulder Opal - Green Play on Deep Blue Host Body Tone -
2.2ct Matched Boulder Opal Pair - Green & Gold Pinfire on Mid Blue Host Body Tone -
2.2ct Peacock Blue Boulder Opal
