Loose Stones & Beads

Australian Doublet Opal 21.75 ct First Image

#image-loader-main { display: none; }

Australian Doublet Opal 21.75 ct First Image

Australian Doublet Opal 21.75 ct

Total Sales1 Sold

Median Sale Price

Sale Price Range

Similar Upcoming Sales

*1.90Ct Welo Black Opal Polished - Ethiopian Opal (1 of 6)

*1.90Ct Welo Black Opal Polished - Ethiopian Opal

Ksmith Heritage Auctioneers

Jul 27, 2025

2.37Ct Welo Black Opal - Ethiopian Opal - Faceted Polished (1 of 6)

2.37Ct Welo Black Opal - Ethiopian Opal - Faceted Polished

Ksmith Heritage Auctioneers

Jul 27, 2025

Natural Multi Color Opal Flashing Boulder 19.77 Ct. Free Form Cabochon Gemstone From Australia (1 of 3)

Natural Multi Color Opal Flashing Boulder 19.77 Ct. Free Form Cabochon Gemstone From Australia

Treasure of Gems & Jewelry

Feb 08, 2026

3.97 Ct Natural Multicolor Welo Fire Opal Cushion Cab (1 of 3)

3.97 Ct Natural Multicolor Welo Fire Opal Cushion Cab

1 day Left

4.06Ct Welo Black Opal - Ethiopian Opal - Faceted Polished (1 of 7)

4.06Ct Welo Black Opal - Ethiopian Opal - Faceted Polished

Ksmith Heritage Auctioneers

Jul 27, 2025

2.29Ct Welo Black Opal - Ethiopian Opal - Faceted Polished (1 of 5)

2.29Ct Welo Black Opal - Ethiopian Opal - Faceted Polished

Ksmith Heritage Auctioneers

Jul 27, 2025

2.22 Ct Natural Black Flashing Fire Opal Oval Cut (1 of 3)

2.22 Ct Natural Black Flashing Fire Opal Oval Cut

Feb 16, 2026

39.27 Ct Natural Tibetian Blue Turquoise Cushion Cab (1 of 3)

39.27 Ct Natural Tibetian Blue Turquoise Cushion Cab

7 days Left

20.91 Ct Natural Black Flashing Fire Opal Oval Cab (1 of 3)

20.91 Ct Natural Black Flashing Fire Opal Oval Cab

1 day Left

2.59Ct Welo Black Opal - Ethiopian Opal - Faceted Polished (1 of 7)

2.59Ct Welo Black Opal - Ethiopian Opal - Faceted Polished

Ksmith Heritage Auctioneers

Jul 27, 2025

2.88Ct Welo Black Opal Polished - Ethiopian Opal (1 of 6)

2.88Ct Welo Black Opal Polished - Ethiopian Opal

Ksmith Heritage Auctioneers

Jul 27, 2025

1.48 Ct Natural Black Flashing Fire Opal Cushion Cut (1 of 3)

1.48 Ct Natural Black Flashing Fire Opal Cushion Cut

Feb 09, 2026

2.07Ct Welo Black Opal - Ethiopian Opal - Faceted Polished (1 of 6)

2.07Ct Welo Black Opal - Ethiopian Opal - Faceted Polished

Ksmith Heritage Auctioneers

Jul 27, 2025

5.46 Ct Natural Black Flashing Fire Opal Long Oval Cab (1 of 4)

5.46 Ct Natural Black Flashing Fire Opal Long Oval Cab

1 day Left

2.73 Ct Natural Black Flashing Fire Opal Oval Cut (1 of 2)

2.73 Ct Natural Black Flashing Fire Opal Oval Cut

Feb 16, 2026

2.74Ct Welo Black Opal Faceted Polished - Ethiopian Opal (1 of 7)

2.74Ct Welo Black Opal Faceted Polished - Ethiopian Opal

Ksmith Heritage Auctioneers

Jul 27, 2025

Similar Sale History

Unlock All Prices

Sold

Australian Doublet Opal 21.75 ct (1 of 6)

Australian Doublet Opal 21.75 ct No Reserve! Title: Australian Doublet Opal 21.75 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: $22 Size/Dimensions: 23.90 x 17.90 x 6.10 Additional Information: Rectangula

Sold

Australian Doublet Opal 19.05 ct (1 of 6)

Australian Doublet Opal 19.05 ct No Reserve! Title: Australian Doublet Opal 19.05 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: $19 Size/Dimensions: 25.90 x 18.45 x 6.35 Additional Information: Oval - Aus

Sold

Australian Doublet Opal 22.50 ct (1 of 6)

Australian Doublet Opal 22.50 ct No Reserve! Title: Australian Doublet Opal 22.50 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: $23 Size/Dimensions: 22.40 x 17.70 x 7.70 Additional Information: Rectangula

Sold

Australian Doublet Opal 5.80 ct (1 of 5)

Australian Doublet Opal 5.80 ct No Reserve! Title: Australian Doublet Opal 5.80 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: 5.8 Size/Dimensions: 14.00 x 10.00 x 5.50 Additional Information: Oval - Aust

Sold

Australian Doublet Opal 23.45 ct (1 of 6)

Australian Doublet Opal 23.45 ct No Reserve! Title: Australian Doublet Opal 23.45 ct Color/Clarity: Semi Transparent Loosegemstone Carat Weights: 23.45 Size/Dimensions: 26.05 x 11.75 x 5.55 Rectangular - Australia Shipping: Worldwide

Sold

Australian Doublet Opal 16.72 ct (1 of 5)

Australian Doublet Opal 16.72 ct No Reserve! Title: Australian Doublet Opal 16.72 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: 16.72 Size/Dimensions: 20.20 x 16.50 x 7.40 Additional Information: Oval - A

Sold

Australian Doublet Opal 12.85 ct (1 of 6)

Australian Doublet Opal 12.85 ct No Reserve! Title: Australian Doublet Opal 12.85 ct Color/Clarity: Semi Transparent Loose gemstone Carat Weights: 12.85 Size/Dimensions: 24.90 x 16.00 x 4.75 Oval - Australia Shipping: Worldwide: Flat

Sold

Australian Doublet Opal 17.10 ct (1 of 5)

Australian Doublet Opal 17.10 ct No Reserve! Title: Australian Doublet Opal 17.10 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: 17.1 Size/Dimensions: 23.07 x 17.30 x 8.20 Additional Information: Oval - Au

Sold

Australian Doublet Opal 15.50 ct (1 of 5)

Australian Doublet Opal 15.50 ct No Reserve! Title: Australian Doublet Opal 15.50 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: 15.5 Size/Dimensions: 21.00 x 17.50 x 8.20 Additional Information: Oval - Au

Sold

Australian Doublet Opal 7.55 ct (1 of 5)

Australian Doublet Opal 7.55 ct No Reserve! Title: Australian Doublet Opal 7.55 ct Color/Clarity: Semi Transparent Loosegemstone Carat Weights: 7.55 Size/Dimensions: 16.10 x 12.10 x 5.40 Oval - Australia Shipping: Worldwide: Flat-ra

Sold

Australian Doublet Opal 4.20 ct (1 of 6)

Australian Doublet Opal 4.20 ct No Reserve! Title: Australian Doublet Opal 4.20 ct Color/Clarity: Semi Transparent Loosegemstone Carat Weights: 4.2 Size (mm): 15.35 x 10.46 x 3.53 Fancy - Australia Shipping: Worldwide: Flat-rate of

Sold

Australian Doublet Opal 5.90 ct (1 of 6)

Australian Doublet Opal 5.90 ct No Reserve! Title: Australian Doublet Opal 5.90 ct Color/Clarity: Semi Transparent Loosegemstone Carat Weights: 5.9 Size (mm): 14.11 x 10.20 x 5.42 Oval - Australia Shipping: Worldwide: Flat-rate of $

Sold

Australian Doublet Opal 6.95 ct (1 of 5)

Australian Doublet Opal 6.95 ct No Reserve! Title: Australian Doublet Opal 6.95 ct Color/Clarity: Semi Transparent Loose gemstone Carat Weights: 6.95 Size/Dimensions: 19.10 x 11.35 x 3.85 Oval - Australia Shipping: Worldwide: Flat-r

Sold

Australian Doublet Opal 17.19 ct (1 of 4)

Australian Doublet Opal 17.19 ct No Reserve! Title: Australian Doublet Opal 17.19 ct Color/Clarity: Semi Transparent Carat Weight: 17.19 Dimensions: 27.90 x 14.70 x 6.30 Additional Information: Fancy - Australia Shipping: Domestic:

Sold

Australian Doublet Opal 5.49 ct (1 of 6)

Australian Doublet Opal 5.49 ct No Reserve! Title: Australian Doublet Opal 5.49 ct Color/Clarity: Semi Transparent Loosegemstone Carat Weights: 5.49 Size (mm): 14.23 x 11.35 x 3.39 Rectangular - Australia Shipping: Worldwide: Flat-r

Sold

Australian Doublet Opal 6.35 ct (1 of 6)

Australian Doublet Opal 6.35 ct No Reserve! Title: Australian Doublet Opal 6.35 ct Color/Clarity: Semi Transparent Loosegemstone Carat Weights: 6.35 Size (mm): 14.15 x 10.14 x 5.79 Oval - Australia Shipping: Worldwide: Flat-rate of

Sold

Australian Doublet Opal 7.80 ct (1 of 6)

Australian Doublet Opal 7.80 ct No Reserve! Title: Australian Doublet Opal 7.80 ct Color/Clarity: Semi Transparent Loosegemstone Carat Weights: 7.8 Size (mm): 16.06 x 12.17 x 5.30 Oval - Australia Shipping: Worldwide: Flat-rate of $

Sold

Australian Doublet Opal 17.55 ct (1 of 6)

Australian Doublet Opal 17.55 ct No Reserve! Title: Australian Doublet Opal 17.55 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: $18 Size/Dimensions: 22.63 x 16.19 x 6.72 Additional Information: Rectangula

Sold

Australian Doublet Opal 15.77 ct (1 of 5)

Australian Doublet Opal 15.77 ct No Reserve! Title: Australian Doublet Opal 15.77 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: 15.77 Size/Dimensions: 22.75 x 14.00 x 6.50 Additional Information: Oval - A

Sold

Australian Doublet Opal 16.38 ct (1 of 5)

Australian Doublet Opal 16.38 ct No Reserve! Title: Australian Doublet Opal 16.38 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: 16.38 Size/Dimensions: 22.65 x 14.75 x 6.25 Additional Information: Oval - A

Sold

Australian Doublet Opal 4.80 ct (1 of 5)

Australian Doublet Opal 4.80 ct No Reserve! Title: Australian Doublet Opal 4.80 ct Color/Clarity: Semi Transparent Loosegemstone Carat Weights: 4.8 Size (mm): 16.26 x 11.44 x 3.16 Fancy - Australia Shipping: Worldwide: Flat-rate of

Sold

Australian Doublet Opal 7.47 ct (1 of 5)

Australian Doublet Opal 7.47 ct No Reserve! Title: Australian Doublet Opal 7.47 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: 7.47 Size/Dimensions: 15.80 x 11.90 x 5.30 Additional Information: Oval - Aus

Sold

Australian Doublet Opal 25.95 ct (1 of 6)

Australian Doublet Opal 25.95 ct No Reserve! Title: Australian Doublet Opal 25.95 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: 25.95 Size/Dimensions: 22.70 x 20.80 x 6.15 Additional Information: Rectangu

Sold

Australian Doublet Opal 15.15 ct (1 of 6)

Australian Doublet Opal 15.15 ct No Reserve! Title: Australian Doublet Opal 15.15 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: 15.15 Size/Dimensions: 22.80 x 14.70 x 6.10 Additional Information: Oval - A

TOP