Cocktail & Statement Rings

8.7ct Australian Black Boulder Opal Cabochon First Image

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8.7ct Australian Black Boulder Opal Cabochon First Image

8.7ct Australian Black Boulder Opal Cabochon

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8.7ct Australian Black Boulder Opal Cabochon (1 of 3)

8.7ct Australian Black Boulder Opal Cabochon 8.7ct Natural Australian Black Boulder Opal, gemstone cabochon, with nice place of color, ready to be mounted into a beautiful ring or pendant. 14x9x4mm

1.99Ct Natural Loose Australian Lightning Ridge Black Opal Cabochon (1 of 4)

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54.5Ct Natural Australian Lightning Ridge Black Opal Specimen Rough Jar (1 of 3)

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4.5Ct Natural Loose Australian Lightning Ridge Black Opal Cabochon (1 of 4)

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55Ct Natural Australian Lightning Ridge Black Opal Specimen Rough Jar (1 of 3)

55Ct Natural Australian Lightning Ridge Black Opal Specimen Rough Jar Dimension: 6mm-15mm 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 Australian

7.3Ct Natural Loose Australian Lightning Ridge Black Opal Cabochon (1 of 4)

7.3Ct Natural Loose Australian Lightning Ridge Black Opal Cabochon Dimension: 15.8x12.4mm 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

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2.1Ct Natural Loose Australian Lightning Ridge Black Opal Cabochon (1 of 4)

2.1Ct Natural Loose Australian Lightning Ridge Black Opal Cabochon Dimension: 14.5x10.6mm 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

62Ct Natural Australian Lightning Ridge Black Opal Specimen Rough Jar (1 of 3)

62Ct Natural Australian Lightning Ridge Black Opal Specimen Rough Jar Dimension: 4mm-12mm 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 Australian

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52Ct Natural Australian Lightning Ridge Black Opal Specimen Rough Jar (1 of 3)

52Ct Natural Australian Lightning Ridge Black Opal Specimen Rough Jar Dimension: 5mm-18mm 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 Australian

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4Ct Tibetan Agate Rare Black Line 3 Stripes Chung DZi Bead Asian Art (1 of 4)

4Ct Tibetan Agate Rare Black Line 3 Stripes Chung DZi Bead Asian Art Dimension: 14x6.2mm 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 Australian

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47.5Ct Himalayan Tibetan Etched Black Agate DZi Bead Asian Art Carving (1 of 4)

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96ct. Australian Boulder Opal Cabochon Collection (1 of 6)

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138ct. Australian Boulder Opal Cabochon Collection (1 of 7)

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15.3 Carats of Australian Black Boulder Opal (1 of 3)

15.3 Carats of Australian Black Boulder Opal 3.06 grams or 15.3 carats. 1/2" by 5/8".

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21.7 Carats of Australian Black Boulder Opal (1 of 5)

21.7 Carats of Australian Black Boulder Opal Total carat weight of 21.7

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28.55 Carats of Australian Black Boulder Opal (1 of 5)

28.55 Carats of Australian Black Boulder Opal Total carat weight of 28.55

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23.5 Carats of Australian Black Boulder Opal (1 of 5)

23.5 Carats of Australian Black Boulder Opal Total carat weight of 23.5

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9.8 Carats of Australian Black Boulder Opal (1 of 3)

9.8 Carats of Australian Black Boulder Opal 1.95 grams or 9.8 carats. 3/4" by 1/4"

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7.2 Carats of Australian Black Boulder Opal (1 of 3)

7.2 Carats of Australian Black Boulder Opal 1.45 grams or 7.2 carats. 1/2" by 3/8"

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12.6 Carats of Australian Black Boulder Opal (1 of 3)

12.6 Carats of Australian Black Boulder Opal 2.50 grams or 12.6 carats. 1" by 3/8".

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12 Carats of Australian Black Boulder Opal (1 of 3)

12 Carats of Australian Black Boulder Opal 2.44 grams or 12 carats. Meausres 3/4" by 1/2" by 1/4"

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23.35 Carats of Australian Black Boulder Opal (1 of 5)

23.35 Carats of Australian Black Boulder Opal Total carat weight of 23.35

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9.2 Carats of Australian Black Boulder Opal (1 of 3)

9.2 Carats of Australian Black Boulder Opal 1.84 grams or carats. 7/8" by 3/8".

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Art Nouveau Yowah Australian Boulder Opal Diamond 14K Gold Stickpin (1 of 8)

Art Nouveau Yowah Australian Boulder Opal Diamond 14K Gold Stickpin This is an antique Art Nouveau 14K gold stickpin featuring a fine Yowah Australian boulder opal cabochon and two Old European cut diamonds. The diamonds are I clarity and HI color. It is 2 1/2" long a

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