Loose Stones & Beads

22.9 ct Australian Boulder Opal First Image

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22.9 ct Australian Boulder Opal First Image

22.9 ct Australian Boulder Opal

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22.9 ct Australian Boulder Opal (1 of 3)

22.9 ct Australian Boulder Opal Title: 22.9 ct Australian Boulder Opal Gemstones: Boulder Opal Carat Weights: 22.9 Size/Dimensions: 30 mm x 14 mm x 6.6 mm Additional Information: Koroit Opal Fields No Reserve: This lot starts at $1

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5.92 ct Australian Boulder Opal (1 of 4)

5.92 ct Australian Boulder Opal Item: 5.92 ct Australian Boulder Opal Gemstones: Opal Carat Weights: 5.92 Size/Dimensions: 17.5 mm x 12.4 mm x 4.0 mm Please note that this lot has a confidential reserve. When you leave a bid in adva

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22.92 ct Australian Boulder Opal Gemstone Cabochon (1 of 4)

22.92 ct Australian Boulder Opal Gemstone Cabochon 22.92 ct Boulder Opal cabochon. 28 x 18mm. Queensland Australia origin gemstone. Perfect shape & size for a lovely pendant.

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10.74 ct Australian Boulder Opal (1 of 3)

10.74 ct Australian Boulder Opal Title: 10.74 ct Australian Boulder Opal Gemstones: Boulder Opal Carat Weights: 10.74 Size/Dimensions: 26 mm x 12 mm x 4.5 mm Additional Information: Koroit Opal Fields Please note that this lot has a

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10.45 ct Australian Boulder Opal (1 of 4)

10.45 ct Australian Boulder Opal Title: 10.45 ct Australian Boulder Opal Gemstones: Boulder Opal Carat Weights: 10.45 Size/Dimensions: 30.4 mm x 10.0 mm x 4.2 mm Additional Information: Koroit Opal Fields No Reserve: This lot starts

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9.81 ct Australian Boulder Opal (1 of 4)

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3.55 ct Australian Boulder Opal (1 of 5)

3.55 ct Australian Boulder Opal Item: 3.55 ct Australian Boulder Opal Gemstones: Boulder Opal Carat Weights: 3.55 Size/Dimensions: 12.2 mm x 10.8 mm x 3.5 mm No Reserve: This lot starts at $1 and has no reserve as a courtesy so that

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7.28 ct Australian Boulder Opal (1 of 4)

7.28 ct Australian Boulder Opal Item: 7.28 ct Australian Boulder Opal Gemstones: Boulder Opal Carat Weights: 7.28 Size/Dimensions: 14.5 mm x 9.5 mm x 5.0 mm No Reserve: This lot starts at $1 and has no reserve as a courtesy so that

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26.03 ct Australian Boulder Opal (1 of 4)

26.03 ct Australian Boulder Opal Item: 26.03 ct Australian Boulder Opal Gemstones: Boulder Opal Carat Weights: 26.03 Size/Dimensions: 23.1 mm x 20.9 mm x 7.2 mm Additional Information: Australian Koroit Boulder Opal No Reserve: This

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10.04 ct Australian Boulder Opal (1 of 4)

10.04 ct Australian Boulder Opal Item: 10.04 ct Australian Boulder Opal Gemstones: Opal Carat Weights: 10.04 Size/Dimensions: 17.9 mm x 15.6 mm x 4.9 mm No Reserve: This lot starts at $1 and has no reserve as a courtesy so that col

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Ct Natural Loose Australian Koroit Yowah Boulder Opal Cabochon (1 of 3)

Ct Natural Loose Australian Koroit Yowah Boulder Opal Cabochon 17x13x4mm Weight: 6 Carat

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Ct Natural Loose Australian Koroit Yowah Boulder Opal Cabochon (1 of 3)

Ct Natural Loose Australian Koroit Yowah Boulder Opal Cabochon 12x9x6mm Weight: 7 Carat

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Australian Boulder Opal Rough: Mesmerizing Spectrum of Nature's Palette (1 of 3)

Australian Boulder Opal Rough: Mesmerizing Spectrum of Nature's Palette Dimension: 15-20 mm Weight: 80 ct Estimate:$250-$450 In recent auctions, Australian Boulder Opals, especially in their rough form, have captured the fascination of many collectors. An analogous specim

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Australian Boulder Opal Rough: Mesmerizing Spectrum of Nature's Palette (1 of 3)

Australian Boulder Opal Rough: Mesmerizing Spectrum of Nature's Palette Dimension: 19x13x9 mm Weight: 62.5 ct Estimate:$250-$450 In recent auctions, Australian Boulder Opals, especially in their rough form, have captured the fascination of many collectors. An analogous sp

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Australian Boulder Opal Rough: Mesmerizing Spectrum of Nature's Palette (1 of 2)

Australian Boulder Opal Rough: Mesmerizing Spectrum of Nature's Palette Dimension: 18-30 mm Weight: 75.5 ct Estimate:$250-$450 In recent auctions, Australian Boulder Opals, especially in their rough form, have captured the fascination of many collectors. An analogous spec

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310 Ct Koroit Boulder Opal Rough - Australian Opal - Freeform Rough (1 of 2)

310 Ct Koroit Boulder Opal Rough - Australian Opal - Freeform Rough Dimension: 13 TO 25 mm

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48 Ct Koroit Boulder Opal Rough - Australian Opal - Freeform Rough (1 of 2)

48 Ct Koroit Boulder Opal Rough - Australian Opal - Freeform Rough Dimension: 17 to 24 mm

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8.8 Ct Koroit Boulder Opal Polished - Australian Opal - Freeform Cabochon (1 of 3)

8.8 Ct Koroit Boulder Opal Polished - Australian Opal - Freeform Cabochon Dimension: 18 x 13 x 4 mm

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147 Ct Koroit Boulder Opal Rough - Australian Opal - Freeform Rough (1 of 4)

147 Ct Koroit Boulder Opal Rough - Australian Opal - Freeform Rough Dimension: 45 x 25 mm

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7.9 Ct Koroit Boulder Opal Polished - Australian Opal - Freeform Cabochon (1 of 3)

7.9 Ct Koroit Boulder Opal Polished - Australian Opal - Freeform Cabochon Dimension: 13 X 11 x 4 Cm

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6.5 Ct Koroit Boulder Opal Polished - Australian Opal - Freeform Cabochon (1 of 3)

6.5 Ct Koroit Boulder Opal Polished - Australian Opal - Freeform Cabochon Dimension: 20 X 9 x 4 Cm

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8 Ct Koroit Boulder Opal Polished - Australian Opal - Freeform Cabochon (1 of 3)

8 Ct Koroit Boulder Opal Polished - Australian Opal - Freeform Cabochon Dimension: 21 X 15 x4 Cm

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Australian koroit boulder opal-33.65 ct. (1 of 2)

Australian koroit boulder opal-33.65 ct.Australian koroit boulder opal-33.65 ct. Reserve: $50.00 Shipping: Domestic: Flat-rate of $10.00 to anywhere within the contiguous U.S. International: Foreign shipping rates are determined by destinat

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Australian Koroit Matrix Boulder Opal: Vibrant Tapestry of Nature's Brilliance (1 of 3)

Australian Koroit Matrix Boulder Opal: Vibrant Tapestry of Nature's Brilliance Dimension: 17x9x3.6 mm Weight: 4.85 Ct Estimate: $220-$460 In recent auctions, Australian Koroit Matrix Boulder Opals have witnessed an increasing demand. An opal of similar quality and pattern was au

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