Results for “Opal Rocks”

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25.90 ct. Natural Play of Color Opal - ETHIOPIA: 25.90 ct. Natural Play of Color Opal - ETHIOPIA Shape - Round Cabochon Color - Play of color Clarity - Opaque Ct. Weight - 25.90 ct. Origin - ETHIOPIA

3 days Left

25.90 ct. Natural Play of Color Opal - ETHIOPIA

Kissing Auction

Est. US$3,900-US$6,500

Two Opalized Fossil Sculptures: Two opalized fossil sculptures with stands. Approx. 4.2*3.2*0.9 inch (larger w/o stand).

4 days Left

Two Opalized Fossil Sculptures

Wealthier Art & Auction

Est. US$50-US$60

Fossilized Fern Frond, Dinosaur Tooth, & Chocolate Opal: Eastern Africa, Ethiopia, & North America, United States, Montana, ca. millions of years ago. An assorted group of natural history specimens including a fossilized leaf or fern frond preserved in matr

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Fossilized Fern Frond, Dinosaur Tooth, & Chocolate Opal

Artemis Fine Arts

IGI Certified 27.07 ct. Carved Kangaroo Opal AUSTRALIA: IGI Certified 27.07 ct. Carved KANGAROO Opal - AUSTRALIA Play of Color Effect - On Report Cut - Carved Color - Light Yellow Clarity - Translucent Ct. wt. - 27.07 ct.</

3 days Left

IGI Certified 27.07 ct. Carved Kangaroo Opal AUSTRALIA

Kissing Auction

Est. US$5,000-US$6,000

2.56 Ct Natural Black Flashing Fire Opal Oval cab: Weight - 2.56 Ct / Dimensions - 12.50 x 8.80 x 5.00 mm / Shape - OVal cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

3 days Left

2.56 Ct Natural Black Flashing Fire Opal Oval cab

Est. US$75-US$150

2crts Ethopian Black Fire Opal: 2crts Ethopian Black Fire Opal - 11X9X5 mmShipping Rate: $15.00 .shipping rates are determined by Parcel weight and destination.Combined shipping: We offer combine shipping on multiple items purchased

6 days Left

2crts Ethopian Black Fire Opal

Fantasy Jewelry

Est. US$180-US$300

2crts Ethopian Black Fire Opal: 2crts Ethopian Black Fire Opal - 11X9X5 mmShipping Rate: $15.00 .shipping rates are determined by Parcel weight and destination.Combined shipping: We offer combine shipping on multiple items purchased

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2crts Ethopian Black Fire Opal

Fantasy Jewelry

0.36Ct 1.2mm D-F Brilliant Round VS Loose Diamond 40pcs - Australian Diamond, 1180B: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

4 days Left

0.36Ct 1.2mm D-F Brilliant Round VS Loose Diamond 40pcs - Australian Diamond, 1180B

Ksmith Heritage Auctioneers

Est. US$560-US$1,120

0.36Ct 1.2mm D-F Brilliant Round VS Loose Diamond 40pcs - Australian Diamond - Round Shape Lot, 830A: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

4 days Left

0.36Ct 1.2mm D-F Brilliant Round VS Loose Diamond 40pcs - Australian Diamond - Round Shape Lot, 830A

Ksmith Heritage Auctioneers

Est. US$560-US$1,120

0.36Ct 1.2mm D-F Brilliant Round VS Loose Diamond 40pcs - Australian Diamond - Round Shape Lot, 229A: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

4 days Left

0.36Ct 1.2mm D-F Brilliant Round VS Loose Diamond 40pcs - Australian Diamond - Round Shape Lot, 229A

Ksmith Heritage Auctioneers

Est. US$560-US$1,120

2.33 ct. Play of Color Natural White Opal - ETHIOPIA: 2.33 ct. Play of Color Natural White Crystal Opal - ETHIOPIA Cut - Pear Cabochon Color - Floral Flash Rainbow (White, Red, Orange, Green, Yellow, Violet, Blue Flashing) Ct. Weight - 2.33 ct. Dimensi

3 days Left

2.33 ct. Play of Color Natural White Opal - ETHIOPIA

Kissing Auction

Est. US$1,500-US$2,500

2.07 Ct Natural Black Flashing Fire Opal Round Cab: Weight - 2.07 Ct / Size - 9.40 x 9.40 x 5.40 mm / Shape - Round Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

3 days Left

2.07 Ct Natural Black Flashing Fire Opal Round Cab

Est. US$75-US$150

21.46 Ct Natural Black Flashing Fire "Eclipse Flame" Opal Pear Cab: Weight - 21.46 Ct / Dimensions - 22.00 x 21.30 x 9.50 mm / Shape - Pear Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

May 22, 2026

21.46 Ct Natural Black Flashing Fire "Eclipse Flame" Opal Pear Cab

Est. US$650-US$1,300

0.28Ct 1.1mm D-F Brilliant Round VS Loose Diamond 40pcs - Australian Diamond - Round Shape Lot, 214A: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

4 days Left

0.28Ct 1.1mm D-F Brilliant Round VS Loose Diamond 40pcs - Australian Diamond - Round Shape Lot, 214A

Ksmith Heritage Auctioneers

Est. US$420-US$840

4.72 Ct Natural Cotton Candy Fire Opal Cushion Cab: Weight - 4.72 Ct / Dimensions - 15.90 x 10.10 x 5.50 mm / Shape - Cushion Cab / Color - Bicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Heated

3 days Left

4.72 Ct Natural Cotton Candy Fire Opal Cushion Cab

Est. US$125-US$250

3.64 Ct Natural Ink Blue Fire Opal Oval Cab: Weight - 3.64 Ct / Size -14.10 x 10.90 x 5.00 mm / Shape - Oval Cab / Color - Blue / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Heated

3 days Left

3.64 Ct Natural Ink Blue Fire Opal Oval Cab

Est. US$100-US$200

3.86 Ct Natural Ink Blue Fire Opal Oval Cab: Weight - 3.86 Ct / Size - 12.10 x 9.90 x 6.60 mm / Shape - Oval Cab / Color - Blue / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Heated

3 days Left

3.86 Ct Natural Ink Blue Fire Opal Oval Cab

Est. US$100-US$200

13.47ct Soul Prism Natural Multicolour Boulder Opal: 13.47ct Soul Prism Natural Multicolour Boulder Opal Embrace the cosmic dance of color and energy with this 13.47ct Natural Multicolour Boulder Opal, a powerful stone believed to awaken creativity, int

1 day Left

13.47ct Soul Prism Natural Multicolour Boulder Opal

Weatherham Estate Treasures

Est. US$350-US$500

6.27 ct Trillion Cabochon Midnight Starry Night Black Opal Gemstone: 6.27 ct Trillion Cabochon Midnight Starry Night Black Opal Gemstone Introducing the ethereal Trillion Cabochon Midnight Starry Night Black Opal Gemstone—a true masterpiece that encapsulates the magi

1 day Left

6.27 ct Trillion Cabochon Midnight Starry Night Black Opal Gemstone

Weatherham Estate Treasures

Est. US$250-US$400

1.52 Ct Natural Orange Fire Opal Oval Cut: Weight - 1.52 Ct / Size - 10.50 x 7.60 x 5.40 mm / Shape - OVal Cut / Color - Orange / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Heated

3 days Left

1.52 Ct Natural Orange Fire Opal Oval Cut

Est. US$75-US$150

1.94 Ct Natural Black Flashing Fire Opal Marquise Cab: Weight - 1.94 Ct / Size - 12.70 x 7.70 x 4.70 mm / Shape - Marquise Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

3 days Left

1.94 Ct Natural Black Flashing Fire Opal Marquise Cab

Est. US$75-US$150

2.61 Ct Natural Vivid Play of Colors Fire Opal Cushion Cab: Weight - 2.61 Ct / Dimensions - 13.40 x 8.70 x 4.10 mm / Shape - Cushion Cab / Color - Bicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Heated

3 days Left

2.61 Ct Natural Vivid Play of Colors Fire Opal Cushion Cab

Est. US$75-US$150

Earthsplit Flame Boulder Opal Cushion Cabochon: Earthsplit Flame Boulder Opal Cushion Cabochon A dramatic fusion of earth and sky, this Boulder Opal gemstone features a cushion cabochon cut with a striking natural contrast, deep, earthy brown accen

May 25, 2026

Earthsplit Flame Boulder Opal Cushion Cabochon

Weatherham Estate Treasures

Est. US$300-US$400

3.41 Ct Natural Black Flashing Fire Opal Pear Cab Pair: Weight - 3.41 Ct / Dimensions - 11.10 x 7.20 x 4.50 mm / 2 PC's / Shape - Pear Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

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3.41 Ct Natural Black Flashing Fire Opal Pear Cab Pair

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