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Cabochon Stones for Sale

Cabochon Gemstones

We pride ourselves in offering the largest online collection of cabochon stones for sale. Our cabochon gemstones are available in a wide range of sizes which makes them suitable for all types of jewelry. We carry odd/fancy shaped cabochons to satisfy the jewelry designers as well. The majority of cabochon stones are used for pendants and rings, the wide range of colors allows the cabochons to be used with any kind of jewelry material such as silver or gold. We stock a large variety of cabochons from around the world in all different gemstone variants like: ruby cabochons, amethyst cabochons, emerald cabochons, garnet cabochons, citrine cabochons and many more. As all of our gemstones, the cabochons for sale are 100% natural.

Cabochon Gemstones Weight Cabochon Gemstones Size Cabochon Gemstones Clarity Cabochon Gemstones Price Cabochon Gemstones Origin
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Photos are of Actual Products for Sale

23.73 ct Oval Nuummite, 23.8 x 15.8 mm From India

Natural Nuummite, Qty: 1 pc | 23.73 carat weight Nuummite

23.73ct1 Piece
$ 97.77
23.8 x 15.8 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 23.73 ct Nuummite
Nuummite Shape: Oval Cabochon Nuummite
Nuummite Size: 23.8 x 15.8 mm Nuummite
Nuummite Color: Black with Blue Sparkle Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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12.32 ct Oval Onyx, 18.2 x 13.3 mm From Sri Lanka

Natural Onyx, Qty: 1 pc | 12.32 carat weight Onyx

12.32ct1 Piece
$ 24.64
18.2 x 13.3 mm
Item Description
Stone Type: Loose Onyx
Onyx Weight: 12.32 ct Onyx
Onyx Shape: Oval Cabochon Onyx
Onyx Size: 18.2 x 13.3 mm Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Origin: Sri Lanka Onyx
Onyx Treatment: Dyed
Onyx Quantity: 1
Onyx Certificate: GemSelect
Product Description:
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19.68 ct Oval Obsidian, 31 x 16.8 mm From the United States

Natural Obsidian, Qty: 1 pc | 19.68 carat weight Obsidian

19.68ct1 Piece
$ 14.76
31 x 16.8 mm
Item Description
Stone Type: Loose Obsidian
Obsidian Weight: 19.68 ct Obsidian
Obsidian Shape: Oval Cabochon Obsidian
Obsidian Size: 31 x 16.8 mm Obsidian
Obsidian Color: Black with Gold Sheen Obsidian
Obsidian Clarity: Opaque Obsidian
Obsidian Origin: United States Obsidian
Obsidian Treatment: Untreated
Obsidian Quantity: 1
Obsidian Certificate: GemSelect
Product Description:
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6.54 ct Black Star Sapphire, 11.7 x 9 mm Oval Cut From Thailand

Natural Star Sapphire, Qty: 1 pc | 6.54 carat weight Star Sapphire

6.54ct1 Piece
$ 130.80
11.7 x 9 mm
Item Description
Stone Type: Loose Star Sapphire
Star Sapphire Weight: 6.54 ct Star Sapphire
Star Sapphire Shape: Oval Cabochon Star Sapphire
Star Sapphire Size: 11.7 x 9 mm Star Sapphire
Star Sapphire Color: Black Star Sapphire
Star Sapphire Clarity: Opaque Star Sapphire
Star Sapphire Origin: Thailand Star Sapphire
Star Sapphire Treatment: Heated
Star Sapphire Quantity: 1
Star Sapphire Certificate: GemSelect
Product Description:
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28.51 ct Oval Obsidian, 34.3 x 20.6 mm From the United States

Natural Obsidian, Qty: 1 pc | 28.51 carat weight Obsidian

28.51ct1 Piece
$ 21.38
34.3 x 20.6 mm
Item Description
Stone Type: Loose Obsidian
Obsidian Weight: 28.51 ct Obsidian
Obsidian Shape: Oval Cabochon Obsidian
Obsidian Size: 34.3 x 20.6 mm Obsidian
Obsidian Color: Black with Gold Sheen Obsidian
Obsidian Clarity: Opaque Obsidian
Obsidian Origin: United States Obsidian
Obsidian Treatment: Untreated
Obsidian Quantity: 1
Obsidian Certificate: GemSelect
Product Description:
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23.37 ct Oval Onyx, 22.1 x 16 mm From Sri Lanka

Natural Onyx, Qty: 1 pc | 23.37 carat weight Onyx

23.37ct1 Piece
$ 105.17
22.1 x 16 mm
Item Description
Stone Type: Loose Onyx
Onyx Weight: 23.37 ct Onyx
Onyx Shape: Oval Cabochon Onyx
Onyx Size: 22.1 x 16 mm Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Origin: Sri Lanka Onyx
Onyx Treatment: Dyed
Onyx Quantity: 1
Onyx Certificate: GemSelect
Product Description:
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6.24 ct Black Star Sapphire, 11.3 x 9.2 mm Oval Cut From Thailand

Natural Star Sapphire, Qty: 1 pc | 6.24 carat weight Star Sapphire

6.24ct1 Piece
$ 124.80
11.3 x 9.2 mm
Item Description
Stone Type: Loose Star Sapphire
Star Sapphire Weight: 6.24 ct Star Sapphire
Star Sapphire Shape: Oval Cabochon Star Sapphire
Star Sapphire Size: 11.3 x 9.2 mm Star Sapphire
Star Sapphire Color: Black Star Sapphire
Star Sapphire Clarity: Opaque Star Sapphire
Star Sapphire Origin: Thailand Star Sapphire
Star Sapphire Treatment: Heated
Star Sapphire Quantity: 1
Star Sapphire Certificate: GemSelect
Product Description:
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27.76 ct Oval Nuummite, 20.1 x 16.2 mm From India

Natural Nuummite, Qty: 1 pc | 27.76 carat weight Nuummite

27.76ct1 Piece
$ 114.37
20.1 x 16.2 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 27.76 ct Nuummite
Nuummite Shape: Oval Cabochon Nuummite
Nuummite Size: 20.1 x 16.2 mm Nuummite
Nuummite Color: Black with Blue Sparkle Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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8.4 ct Oval Onyx, 13.1 x 11 mm From Sri Lanka

Natural Onyx, Qty: 2 pcs | 8.40 carat weight Onyx

8.40ct (total)2 Pieces
$ 16.80
13.1 x 11 mm
Item Description
Stone Type: Loose Onyx
Onyx Weight: 4.20 ct Onyx
Onyx Shape: Oval Cabochon Onyx
Onyx Size: 13.1 x 11 mm Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Origin: Sri Lanka Onyx
Onyx Treatment: Dyed
Onyx Quantity: 2
Onyx Certificate: GemSelect
Product Description:
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6.48 ct Black Star Sapphire, 11.5 x 8.8 mm Oval Cut From Thailand

Natural Star Sapphire, Qty: 1 pc | 6.48 carat weight Star Sapphire

6.48ct1 Piece
$ 129.60
11.5 x 8.8 mm
Item Description
Stone Type: Loose Star Sapphire
Star Sapphire Weight: 6.48 ct Star Sapphire
Star Sapphire Shape: Oval Cabochon Star Sapphire
Star Sapphire Size: 11.5 x 8.8 mm Star Sapphire
Star Sapphire Color: Black Star Sapphire
Star Sapphire Clarity: Opaque Star Sapphire
Star Sapphire Origin: Thailand Star Sapphire
Star Sapphire Treatment: Heated
Star Sapphire Quantity: 1
Star Sapphire Certificate: GemSelect
Product Description:
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23.76 ct Oval Nuummite, 19.2 x 16.8 mm From India

Natural Nuummite, Qty: 1 pc | 23.76 carat weight Nuummite

23.76ct1 Piece
$ 97.89
19.2 x 16.8 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 23.76 ct Nuummite
Nuummite Shape: Oval Cabochon Nuummite
Nuummite Size: 19.2 x 16.8 mm Nuummite
Nuummite Color: Black with Blue Sparkle Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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15.01 ct Oval Nuummite, 19.7 x 11.5 mm From India

Natural Nuummite, Qty: 1 pc | 15.01 carat weight Nuummite

15.01ct1 Piece
$ 66.19
19.7 x 11.5 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 15.01 ct Nuummite
Nuummite Shape: Oval Cabochon Nuummite
Nuummite Size: 19.7 x 11.5 mm Nuummite
Nuummite Color: Black with Blue Sparkle Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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6.45 ct Black Star Sapphire, 10.3 x 8.9 mm Oval Cut From Thailand

Natural Star Sapphire, Qty: 1 pc | 6.45 carat weight Star Sapphire

6.45ct1 Piece
$ 116.10
10.3 x 8.9 mm
Item Description
Stone Type: Loose Star Sapphire
Star Sapphire Weight: 6.45 ct Star Sapphire
Star Sapphire Shape: Oval Cabochon Star Sapphire
Star Sapphire Size: 10.3 x 8.9 mm Star Sapphire
Star Sapphire Color: Black Star Sapphire
Star Sapphire Clarity: Opaque Star Sapphire
Star Sapphire Origin: Thailand Star Sapphire
Star Sapphire Treatment: Heated
Star Sapphire Quantity: 1
Star Sapphire Certificate: GemSelect
Product Description:
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3.06 ct Black Star Sapphire, 8.3 x 7.2 mm Oval Cut From Thailand

Natural Star Sapphire, Qty: 1 pc | 3.06 carat weight Star Sapphire

3.06ct1 Piece
$ 55.08
8.3 x 7.2 mm
Item Description
Stone Type: Loose Star Sapphire
Star Sapphire Weight: 3.06 ct Star Sapphire
Star Sapphire Shape: Oval Cabochon Star Sapphire
Star Sapphire Size: 8.3 x 7.2 mm Star Sapphire
Star Sapphire Color: Black Star Sapphire
Star Sapphire Clarity: Opaque Star Sapphire
Star Sapphire Origin: Thailand Star Sapphire
Star Sapphire Treatment: Heated
Star Sapphire Quantity: 1
Star Sapphire Certificate: GemSelect
Product Description:
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26.31 ct Oval Snowflake Obsidian, 30.3 x 19.9 mm From India

Natural Snowflake Obsidian, Qty: 1 pc | 26.31 carat weight Snowflake Obsidian

26.31ct1 Piece
$ 15.52
30.3 x 19.9 mm
Item Description
Stone Type: Loose Snowflake Obsidian
Snowflake Obsidian Weight: 26.31 ct Snowflake Obsidian
Snowflake Obsidian Shape: Oval Cabochon Snowflake Obsidian
Snowflake Obsidian Size: 30.3 x 19.9 mm Snowflake Obsidian
Snowflake Obsidian Color: Gray-White Black Snowflake Obsidian
Snowflake Obsidian Clarity: Opaque Snowflake Obsidian
Snowflake Obsidian Origin: India Snowflake Obsidian
Snowflake Obsidian Treatment: Untreated
Snowflake Obsidian Quantity: 1
Snowflake Obsidian Certificate: GemSelect
Product Description:
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12.68 ct Oval Pietersite, 14.1 x 10.2 mm From China

Natural Pietersite, Qty: 2 pcs | 12.68 carat weight Pietersite

12.68ct (total)2 Pieces
$ 55.79
14.1 x 10.2 mm
Item Description
Stone Type: Loose Pietersite
Pietersite Weight: 6.34 ct Pietersite
Pietersite Shape: Oval Cabochon Pietersite
Pietersite Size: 14.1 x 10.2 mm Pietersite
Pietersite Color: Black Pietersite
Pietersite Clarity: Opaque Pietersite
Pietersite Origin: China Pietersite
Pietersite Treatment: Untreated
Pietersite Quantity: 2
Pietersite Certificate: GemSelect
Product Description:
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4.6 ct Black Star Sapphire, 10.2 x 8.9 mm Oval Cut From Thailand

Natural Star Sapphire, Qty: 1 pc | 4.60 carat weight Star Sapphire

4.60ct1 Piece
$ 92.00
10.2 x 8.9 mm
Item Description
Stone Type: Loose Star Sapphire
Star Sapphire Weight: 4.60 ct Star Sapphire
Star Sapphire Shape: Oval Cabochon Star Sapphire
Star Sapphire Size: 10.2 x 8.9 mm Star Sapphire
Star Sapphire Color: Black Star Sapphire
Star Sapphire Clarity: Opaque Star Sapphire
Star Sapphire Origin: Thailand Star Sapphire
Star Sapphire Treatment: Heated
Star Sapphire Quantity: 1
Star Sapphire Certificate: GemSelect
Product Description:
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2.97 ct Black Star Sapphire, 9.3 x 7.1 mm Oval Cut From Thailand

Natural Star Sapphire, Qty: 1 pc | 2.97 carat weight Star Sapphire

2.97ct1 Piece
$ 44.55
9.3 x 7.1 mm
Item Description
Stone Type: Loose Star Sapphire
Star Sapphire Weight: 2.97 ct Star Sapphire
Star Sapphire Shape: Oval Cabochon Star Sapphire
Star Sapphire Size: 9.3 x 7.1 mm Star Sapphire
Star Sapphire Color: Black Star Sapphire
Star Sapphire Clarity: Opaque Star Sapphire
Star Sapphire Origin: Thailand Star Sapphire
Star Sapphire Treatment: Heated
Star Sapphire Quantity: 1
Star Sapphire Certificate: GemSelect
Product Description:
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4.63 ct Black Star Sapphire, 10.2 x 8.5 mm Oval Cut From Thailand

Natural Star Sapphire, Qty: 1 pc | 4.63 carat weight Star Sapphire

4.63ct1 Piece
$ 83.34
10.2 x 8.5 mm
Item Description
Stone Type: Loose Star Sapphire
Star Sapphire Weight: 4.63 ct Star Sapphire
Star Sapphire Shape: Oval Cabochon Star Sapphire
Star Sapphire Size: 10.2 x 8.5 mm Star Sapphire
Star Sapphire Color: Black Star Sapphire
Star Sapphire Clarity: Opaque Star Sapphire
Star Sapphire Origin: Thailand Star Sapphire
Star Sapphire Treatment: Heated
Star Sapphire Quantity: 1
Star Sapphire Certificate: GemSelect
Product Description:
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18.41 ct Oval Nuummite, 19.9 x 16.4 mm From India

Natural Nuummite, Qty: 1 pc | 18.41 carat weight Nuummite

18.41ct1 Piece
$ 80.40
19.9 x 16.4 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 18.41 ct Nuummite
Nuummite Shape: Oval Cabochon Nuummite
Nuummite Size: 19.9 x 16.4 mm Nuummite
Nuummite Color: Black with Blue Sparkle Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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22.55 ct Oval Nuummite, 18.5 x 14.7 mm From India

Natural Nuummite, Qty: 1 pc | 22.55 carat weight Nuummite

22.55ct1 Piece
$ 98.47
18.5 x 14.7 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 22.55 ct Nuummite
Nuummite Shape: Oval Cabochon Nuummite
Nuummite Size: 18.5 x 14.7 mm Nuummite
Nuummite Color: Black with Blue Sparkle Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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3.76 ct Black Star Sapphire, 10.1 x 8.1 mm Oval Cut From Thailand

Natural Star Sapphire, Qty: 1 pc | 3.76 carat weight Star Sapphire

3.76ct1 Piece
$ 67.68
10.1 x 8.1 mm
Item Description
Stone Type: Loose Star Sapphire
Star Sapphire Weight: 3.76 ct Star Sapphire
Star Sapphire Shape: Oval Cabochon Star Sapphire
Star Sapphire Size: 10.1 x 8.1 mm Star Sapphire
Star Sapphire Color: Black Star Sapphire
Star Sapphire Clarity: Opaque Star Sapphire
Star Sapphire Origin: Thailand Star Sapphire
Star Sapphire Treatment: Heated
Star Sapphire Quantity: 1
Star Sapphire Certificate: GemSelect
Product Description:
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11.12 ct Oval Nuummite, 17.4 x 11.7 mm From India

Natural Nuummite, Qty: 1 pc | 11.12 carat weight Nuummite

11.12ct1 Piece
$ 45.81
17.4 x 11.7 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 11.12 ct Nuummite
Nuummite Shape: Oval Cabochon Nuummite
Nuummite Size: 17.4 x 11.7 mm Nuummite
Nuummite Color: Black with Blue Sparkle Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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39.46 ct Oval Obsidian, 37.4 x 23.7 mm From the United States

Natural Obsidian, Qty: 1 pc | 39.46 carat weight Obsidian

39.46ct1 Piece
$ 34.73
37.4 x 23.7 mm
Item Description
Stone Type: Loose Obsidian
Obsidian Weight: 39.46 ct Obsidian
Obsidian Shape: Oval Cabochon Obsidian
Obsidian Size: 37.4 x 23.7 mm Obsidian
Obsidian Color: Black with Gold Sheen Obsidian
Obsidian Clarity: Opaque Obsidian
Obsidian Origin: United States Obsidian
Obsidian Treatment: Untreated
Obsidian Quantity: 1
Obsidian Certificate: GemSelect
Product Description:
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8.16ct1 Piece
$ 35.64
12.8 x 11.2 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 8.16 ct Nuummite
Nuummite Shape: Oval Cabochon Nuummite
Nuummite Size: 12.8 x 11.2 mm Nuummite
Nuummite Color: Black Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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18.78 ct Oval Obsidian, 28.8 x 16.5 mm From Mexico

Natural Obsidian, Qty: 1 pc | 18.78 carat weight Obsidian

18.78ct1 Piece
$ 9.39
28.8 x 16.5 mm
Item Description
Stone Type: Loose Obsidian
Obsidian Weight: 18.78 ct Obsidian
Obsidian Shape: Oval Cabochon Obsidian
Obsidian Size: 28.8 x 16.5 mm Obsidian
Obsidian Color: Black with Gold Sheen Obsidian
Obsidian Clarity: Opaque Obsidian
Obsidian Origin: Mexico Obsidian
Obsidian Treatment: Untreated
Obsidian Quantity: 1
Obsidian Certificate: GemSelect
Product Description:
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2.03 ct Black Star Sapphire, 8.7 x 6.6 mm Oval Cut From Thailand

Natural Star Sapphire, Qty: 1 pc | 2.03 carat weight Star Sapphire

2.03ct1 Piece
$ 36.54
8.7 x 6.6 mm
Item Description
Stone Type: Loose Star Sapphire
Star Sapphire Weight: 2.03 ct Star Sapphire
Star Sapphire Shape: Oval Cabochon Star Sapphire
Star Sapphire Size: 8.7 x 6.6 mm Star Sapphire
Star Sapphire Color: Black Star Sapphire
Star Sapphire Clarity: Opaque Star Sapphire
Star Sapphire Origin: Thailand Star Sapphire
Star Sapphire Treatment: Heated
Star Sapphire Quantity: 1
Star Sapphire Certificate: GemSelect
Product Description:
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19.87 ct Oval Obsidian, 31.2 x 15.9 mm From the United States

Natural Obsidian, Qty: 1 pc | 19.87 carat weight Obsidian

19.87ct1 Piece
$ 17.49
31.2 x 15.9 mm
Item Description
Stone Type: Loose Obsidian
Obsidian Weight: 19.87 ct Obsidian
Obsidian Shape: Oval Cabochon Obsidian
Obsidian Size: 31.2 x 15.9 mm Obsidian
Obsidian Color: Black with Gold Sheen Obsidian
Obsidian Clarity: Opaque Obsidian
Obsidian Origin: United States Obsidian
Obsidian Treatment: Untreated
Obsidian Quantity: 1
Obsidian Certificate: GemSelect
Product Description:
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6.28 ct Black Star Sapphire, 11.3 x 8.8 mm Oval Cut From Thailand

Natural Star Sapphire, Qty: 1 pc | 6.28 carat weight Star Sapphire

6.28ct1 Piece
$ 94.20
11.3 x 8.8 mm
Item Description
Stone Type: Loose Star Sapphire
Star Sapphire Weight: 6.28 ct Star Sapphire
Star Sapphire Shape: Oval Cabochon Star Sapphire
Star Sapphire Size: 11.3 x 8.8 mm Star Sapphire
Star Sapphire Color: Black Star Sapphire
Star Sapphire Clarity: Opaque Star Sapphire
Star Sapphire Origin: Thailand Star Sapphire
Star Sapphire Treatment: Heated
Star Sapphire Quantity: 1
Star Sapphire Certificate: GemSelect
Product Description:
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24.73 ct Oval Nuummite, 19.5 x 15.8 mm From India

Natural Nuummite, Qty: 1 pc | 24.73 carat weight Nuummite

24.73ct1 Piece
$ 101.89
19.5 x 15.8 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 24.73 ct Nuummite
Nuummite Shape: Oval Cabochon Nuummite
Nuummite Size: 19.5 x 15.8 mm Nuummite
Nuummite Color: Black with Blue Sparkle Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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5.12 ct Oval Cat's Eye Scapolite, 12 x 8.6 mm From Madagascar

Natural Cat's Eye Scapolite, Qty: 1 pc | 5.12 carat weight Cat's Eye Scapolite

5.12ct1 Piece
$ 28.16
12 x 8.6 mm
Item Description
Stone Type: Loose Cat's Eye Scapolite
Cat's Eye Scapolite Weight: 5.12 ct Cat's Eye Scapolite
Cat's Eye Scapolite Shape: Oval Cabochon Cat's Eye Scapolite
Cat's Eye Scapolite Size: 12 x 8.6 mm Cat's Eye Scapolite
Cat's Eye Scapolite Color: Black Cat's Eye Scapolite
Cat's Eye Scapolite Clarity: Translucent Cat's Eye Scapolite
Cat's Eye Scapolite Origin: Madagascar Cat's Eye Scapolite
Cat's Eye Scapolite Treatment: Untreated
Cat's Eye Scapolite Quantity: 1
Cat's Eye Scapolite Certificate: GemSelect
Product Description:
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2.86 ct Black Star Sapphire, 8.8 x 6.6 mm Oval Cut From Thailand

Natural Star Sapphire, Qty: 1 pc | 2.86 carat weight Star Sapphire

2.86ct1 Piece
$ 51.48
8.8 x 6.6 mm
Item Description
Stone Type: Loose Star Sapphire
Star Sapphire Weight: 2.86 ct Star Sapphire
Star Sapphire Shape: Oval Cabochon Star Sapphire
Star Sapphire Size: 8.8 x 6.6 mm Star Sapphire
Star Sapphire Color: Black Star Sapphire
Star Sapphire Clarity: Opaque Star Sapphire
Star Sapphire Origin: Thailand Star Sapphire
Star Sapphire Treatment: Heated
Star Sapphire Quantity: 1
Star Sapphire Certificate: GemSelect
Product Description:
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12.08 ct Oval Pietersite, 14 x 10.2 mm From China

Natural Pietersite, Qty: 2 pcs | 12.08 carat weight Pietersite

12.08ct (total)2 Pieces
$ 57.20
14 x 10.2 mm
Item Description
Stone Type: Loose Pietersite
Pietersite Weight: 6.04 ct Pietersite
Pietersite Shape: Oval Cabochon Pietersite
Pietersite Size: 14 x 10.2 mm Pietersite
Pietersite Color: Black Pietersite
Pietersite Clarity: Opaque Pietersite
Pietersite Origin: China Pietersite
Pietersite Treatment: Untreated
Pietersite Quantity: 2
Pietersite Certificate: GemSelect
Product Description:
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6.95 ct Oval Nuummite, 13.4 x 11.6 mm From India

Natural Nuummite, Qty: 1 pc | 6.95 carat weight Nuummite

6.95ct1 Piece
$ 30.79
13.4 x 11.6 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 6.95 ct Nuummite
Nuummite Shape: Oval Cabochon Nuummite
Nuummite Size: 13.4 x 11.6 mm Nuummite
Nuummite Color: Black with Blue Sparkle Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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4.3 ct Black Star Sapphire, 9.5 x 7.2 mm Oval Cut From Thailand

Natural Star Sapphire, Qty: 1 pc | 4.30 carat weight Star Sapphire

4.30ct1 Piece
$ 77.40
9.5 x 7.2 mm
Item Description
Stone Type: Loose Star Sapphire
Star Sapphire Weight: 4.30 ct Star Sapphire
Star Sapphire Shape: Oval Cabochon Star Sapphire
Star Sapphire Size: 9.5 x 7.2 mm Star Sapphire
Star Sapphire Color: Black Star Sapphire
Star Sapphire Clarity: Opaque Star Sapphire
Star Sapphire Origin: Thailand Star Sapphire
Star Sapphire Treatment: Heated
Star Sapphire Quantity: 1
Star Sapphire Certificate: GemSelect
Product Description:
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13.71 ct Oval Nuummite, 17.5 x 13.8 mm From India

Natural Nuummite, Qty: 1 pc | 13.71 carat weight Nuummite

13.71ct1 Piece
$ 59.87
17.5 x 13.8 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 13.71 ct Nuummite
Nuummite Shape: Oval Cabochon Nuummite
Nuummite Size: 17.5 x 13.8 mm Nuummite
Nuummite Color: Black with Blue Sparkle Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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What is a Cabochon Gemstone?

A cabochon is a gemstone which has been polished into a domed shape with a flat bottom. The name cabochon comes from the French word, 'caboche' which means knob, head or small dome. Before the technique of faceting gemstones evolved, pretty much all gemstones were cabochons.

Are there different types of Cabochon Gemstones?

Cabochons have rounded tops and flat bottoms but within these limits there are quite a few variations. The simplest differences are in the height of the dome with some gemstones having a flatter style with a shallow dome and others having a high or deeper dome.

Other terms used can include:

  • Bullet Cabochon - tall cabochon that resembles a bullet
  • Hollow Cabochon - the bottom of the cabochon is concave
  • Flat Cut Cabochon - a very low dome
  • Double Cabochon - has a dome shape at the bottom of the gemstone as well as the top
  • Reverse Cabochon - a regular cabochon shape but with concave impression at the top

In addition, there is what we sometimes called mixed-cut gemstones which have a combination of facet and cabochon styles. For example the buff-top has a domed cabochon top but a faceted lower half or pavilion. In reverse, we have the rose-cut which has flat unfaceted bottom and a simply faceted domed top - often used for black spinels and tourmalines.

What Cabochon Gemstone shapes are available?

The vast majority of cabochon gemstones have oval or elliptical shapes. This shape is very popular as it is well-suited to pendants, brooches, necklaces and earrings and also because minor imbalances are not easily detected in oval shapes.

Round shapes are also very popular - especially for rings - as well as pear, cushion, square and baguettes.

Certain gemstones such as ammolites, fire agates, rutile quartzes and boulder opals are often found in irregular or fancy shapes to maximize the splashes of color that can be found on the surface.

What is Cabochon Gemstone clarity?

Gemstones that are opaque or translucent tend to be cut as cabochons.

Cabochons feature highly polished domes which emphasize the depth of color or display visual phenomena such as star effects, cat's eyes, play-of-color and iridescence rather than clarity.

The smooth domes are also a much better surface to reveal a gemstone's luster, fascinating patterns or intriguing inclusions.

Which gem types are available as Cabochon Gemstones?

There are a several types of gemstones which are nearly always cut or shaped into cabochons.

First, there are single colored gemstones which are either opaque or at best translucent. They look much better as cabochons than faceted gemstones:

  • Green Agate
  • Orange Agate
  • Carnelian
  • Chalcedony
  • Chrysoprase
  • Turquoise

Some top grade gemstones which are usually famed for their clarity and color can also be found with the same rich hues but in semitransparent versions which look fantastic as cabochons:

  • Amethyst
  • Citrine
  • Emerald
  • Garnet
  • Morganite
  • Ruby
  • Sapphire
  • Tourmaline

Then we have opaque gemstones that are notable for their interesting swirls, colorful patches and wavy lines which can only look good as cabochons:

  • Amazonite
  • Jasper
  • Pietersite
  • Rhodochrosite
  • Tiger's Eye

There are also a number of cabochon gemstones which exhibit a variety of optical phenomena:

  • Asterism - Star Sapphire, Star Ruby, Star Diopside
  • Chatoyancy - Cat's Eye Scapolite, Cat's Eye Aquamarine, Cat's Eye Apatite
  • Iridescence - Opals, Ammolite, Spectrolite

Gemstones are rated for their hardness with the most durable being the diamond at 10 out of 10. Some gemstones considered 'soft' are cut as cabochons to avoid edges and corners that can be chipped or planes than can become dull over time.

  • Apatite
  • Fluorite
  • Calcite
  • Sphene

What Colors are available as Cabochon Gemstones?

Gemstone cabochons can be found in every color possible in the mineral kingdom, in fact part of the reason for the continuing popularity of cabochons is the way they can really show off the depth of color in a way that faceted gemstones occasionally cannot.

Rich reds, deep purples, vivid violets, bright blues and fiery oranges look particularly good as cabochons.

How much are Cabochon Gemstones?

In general, cabochon gemstones are less expensive than faceted gemstones. There are a number of reasons for this.

Firstly the most common gemstones used for cabochons are opaque and they are less expensive than clear colored stones. Top grade gemstones that are less than 'eye-clean' may not be valued as high as flawless gems but make beautiful cabochons.

In addition, the physical work involved in shaping and polishing a cabochon is less time consuming and technically skilled than a faceted gemstone and there tends to be a lot less wasted material, too.

There are a few exceptions, of course, with boulder opals and ammolite gemstones being amongst the most valuable examples.

Cabochon Gemstone Treatments

By their very nature as simply shaped and polished, cabochon gemstones are less likely to be treated than faceted gemstones. Gemstones often undergo processes such as heat or irradiation to improve clarity and color but as cabochons are usually opaque or translucent this is not such an important issue.

Similarly, the cat's eye and star effect cabochons are not enhanced by any treatment, in fact quite the opposite is true.

Some cabochons can be dyed or fracture filled and opals and ammolites, for example, can be assembled or mounted onto supportive backings for stability.

We will always disclose any cabochon gemstone treatments clearly on our product pages.

What are the spiritual benefits of Cabochon Gemstones?

Cabochons will have all the spiritual benefits of whichever gemstone they happen to be - please take a look at our articles on gemstone healing for more information:

Gemstone Healing

The cabochon shape does give these gemstones a much more tactile spiritual connection - they feel so much better in your hand than a faceted stone - when used as a touchstone, meditation aid or for placing on the body for Chakra healing.

Find more details on Chakra gemstones here

Are there any famous Cabochon Gemstones?

Yes, for hundreds of years all gemstones were cabochons, so some of the most famous items of jewelry from history were made from cabochon gemstones, including:

  • Black Prince's Ruby - actually a red spinel, part of the Crown Jewels of England
  • The Virgin Rainbow - world's most expensive opal
  • The Neelanjali Star Ruby - A 12 point double star weighing 1370 carats.
  • Henckel von Donnersmarck's Emerald and Diamond Tiara - A tiara made of 11 Colombian emerald pear-shaped drops
  • Black Star of Queensland - the largest gem-quality star sapphire in the world at 733 carats.
  • The Star of Asia - A famous light blue 330 carat Burmese sapphire beauty.
  • The Star of India - A flawless 563 carat blue star sapphire with a double sided star.

What jewelry are Cabochon Gemstones suitable for?

Cabochon gemstones can be used in all types of jewelry from rings and bracelets to necklaces and brooches and can make especially eye-catching pendants and earrings.

With their very traditional look, cabochons gemstones are great for retro, tribal, bohemian and men's jewelry.

How to use Cabochon Gemstones

Cabochon gemstones can be used in just the same way as any type of gemstone:

  • Jewelry
  • Crystal Healing
  • Home Decoration
  • Chakra Balancing
  • Positive Energy

Tips for Filtering and Searching for Cabochon Gems at GemSelect

To find your perfect cabochon gemstones, use the filters at the top or on the left-hand side of our web page. You can search cabochons by gem type, color, carat weight, actual size, price and other factors to help you to find just the right cabochon gemstone that you are looking for.

All of our listed items are in stock and ready to be shipped.

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