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

Dimension: 51.6x47.3mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australi

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

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

Item: 9.81 ct Australian Boulder Opal Gemstones: Opal Carat Weights: 9.81 Size/Dimensions: 16.7 mm x 15.2 mm x 4.2 mm No Reserve: This lot starts at $1 and has no reserve as a courtesy so that collect

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

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

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

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

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

Title: 5.92 ct Australian Doublet Opal Brand: Doublet Opal Gemstones: Loosegemstone Color/Clarity: Semi Transparent Carat Weights: 5.92 Size/Dimensions: 16.10 x 12.70 x 3.30 Additional Information: Ov

No Reserve! Title: 5.92 ct Australian Doublet Opal Color/Clarity: Opaque Gemstones: Gemstones Carat Weights: 5.92 Size/Dimensions: 13.78 x 10.05 x 5.64 Additional Information: Oval - Australia Shipp

No Reserve! Title: 5.92 ct Australian Doublet Opal Color/Clarity: Semi Transparent Gemstones: Gemstones Carat Weights: $6 Size/Dimensions: 14.00 x 10.10 x 5.50 Additional Information: Oval - Australia

No Reserve! Title: 5.92 ct Australian Doublet Opal Color/Clarity: Opaque Gemstones: Loosegemstone Carat Weights: 5.92 Size/Dimensions: 14.20 x 10.20 x 5.30 Additional Information: Oval - Australia Shi

17x13x4mm Weight: 6 Carat

12x9x6mm Weight: 7 Carat

No Reserve! Title: Australian Doublet Opal 5.92 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: $6 Size/Dimensions: 14.00 x 10.00 x 5.40 Additional Information: Oval - Austr

No Reserve! Title: Australian Doublet Opal 5.92 ct Color/Clarity: Semi Transparent Loosegemstone Carat Weights: 5.92 Size/Dimensions: 14.00 x 10.20 x 5.30 Oval - Australia Shipping: Worldwide: Flat-ra

No Reserve! Title: Australian Doublet Opal 5.92 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: 5.92 Size/Dimensions: 14.00 x 10.00 x 5.40 Additional Information: Oval - Aus

No Reserve! Title: Australian Doublet Opal 5.92 ct Color/Clarity: Semi Transparent Loosegemstone Carat Weights: 5.92 Size: 14.00 x 10.00 x 5.40 Oval - Australia Shipping: Worldwide: Flat-rate of $10.0

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

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

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

Dimension: 13 TO 25 mm