Tourmaline

Name: Natural Untreated Tourmaline, Congo 2.29 Ct round
SKU: B-W6112
Price: 810.00 USD
Availability: InStock

Showing 31–40 of 74 results

$515.00

Price Per Carat

$264.10

- Item Number
- B-W6138
- Gemstone
- Natural Untreated Tourmaline
- Origin
- Congo, Africa
- Weight
- 1.95 ct
- Dimension (mm)
- 9.5 x 8.7 x 5.4
- Calibrated Size
- No
- Type of Cut
- Custom Designed Fan
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Rich Peacock-Grass Green
- Clarity
- - F
  - VVS1
  - VVS2
  - VS1
  - VS2
  - SI1
  - SI2
  - P1
  - P2
- Treatment
- None
- Sheen/Schiller/Silk intensity
- - None
  - Very Low
  - Low
  - Low-Medium
  - Medium
  - Medium-Strong
  - Strong
  - Very Strong
- Tone / Saturation
- - Colorless
  - Very Very Light
  - Very Light
  - Light
  - Light-Medium
  - Medium
  - Medium Deep
  - Deep
  - Very Deep
  - Near Blackish
- Investment potential
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Rarity
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Note
- VIDEO : https://www.youtube.com/shorts/zwmZH3M1_-A

* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

$529.00

Price Per Carat

$193.07

- Item Number
- B-W6149
- Gemstone
- Natural Untreated Tourmaline
- Origin
- Congo, Africa
- Weight
- 2.74 ct
- Dimension (mm)
- 7.4 x 7.0 x 5.7
- Calibrated Size
- No
- Type of Cut
- Step Cut OCTAGON
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Peacock Green-Blue with Grass Green and Orangey Flashes
- Clarity
- - F
  - VVS1
  - VVS2
  - VS1
  - VS2
  - SI1
  - SI2
  - P1
  - P2
- Sheen/Schiller/Silk intensity
- - None
  - Very Low
  - Low
  - Low-Medium
  - Medium
  - Medium-Strong
  - Strong
  - Very Strong
- Tone / Saturation
- - Colorless
  - Very Very Light
  - Very Light
  - Light
  - Light-Medium
  - Medium
  - Medium Deep
  - Deep
  - Very Deep
  - Near Blackish
- Investment potential
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Rarity
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Note
- VIDEO: https://www.youtube.com/shorts/gcl0XY-Se20

* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

$110.00

Price Per Carat

$142.86

- Item Number
- W4881
- Gemstone
- Unheated Tourmaline
- Origin
- Zambia
- Weight
- 0.77 ct
- Dimension (mm)
- 5.4 x 5.4 x 3.6
- Calibrated Size
- No
- Type of Cut
- Radiant SQUARE-Princess
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Peacock Blue-Green to Neon Green-Yellow
- Clarity
- - F
  - VVS1
  - VVS2
  - VS1
  - VS2
  - SI1
  - SI2
  - P1
  - P2
- Treatment
- None
- Sheen/Schiller/Silk intensity
- - None
  - Very Low
  - Low
  - Low-Medium
  - Medium
  - Medium-Strong
  - Strong
  - Very Strong
- Tone / Saturation
- - Colorless
  - Very Very Light
  - Very Light
  - Light
  - Light-Medium
  - Medium
  - Medium Deep
  - Deep
  - Very Deep
  - Near Blackish
- Current market value
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Investment potential
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Rarity
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1

* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

$295.00

Price Per Carat

$118.95

- Item Number
- W / 20190
- Gemstone
- Natural Tourmaline
- Origin
- Congo, Africa
- Weight
- 2.48 ct
- Dimension (mm)
- 12.0 x 5.6 x 4.4
- Calibrated Size
- No
- Type of Cut
- Step Cut OCTAGON
- Color
- Pastel Pink-Orange
- Clarity
- - F
  - VVS1
  - VVS2
  - VS1
  - VS2
  - SI1
  - SI2
  - P1
  - P2
- Treatment
- None
- Sheen/Schiller/Silk intensity
- - None
  - Very Low
  - Low
  - Low-Medium
  - Medium
  - Medium-Strong
  - Strong
  - Very Strong
- Tone / Saturation
- - Colorless
  - Very Very Light
  - Very Light
  - Light
  - Light-Medium
  - Medium
  - Medium Deep
  - Deep
  - Very Deep
  - Near Blackish
- Current market value
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Investment potential
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Rarity
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1

* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

$449.00

Price Per Carat

$126.12

- Item Number
- W4733
- Gemstone
- Natural Tourmaline
- Origin
- Zambia
- Weight
- 3.56 ct
- Dimension (mm)
- 7.5/7.7 x 6.2/6.2 x 4.7/5.3
- Calibrated Size
- No
- Type of Cut
- Modified Radiant RECTANGLE
- Cutter
- faceted by Ravenstein Gem Co., EU
- Color
- Rich Neon Green with Green-Orange Flashes/Shift
- Clarity
- - F
  - VVS1
  - VVS2
  - VS1
  - VS2
  - SI1
  - SI2
  - P1
  - P2
- Treatment
- None
- Sheen/Schiller/Silk intensity
- - None
  - Very Low
  - Low
  - Low-Medium
  - Medium
  - Medium-Strong
  - Strong
  - Very Strong
- Tone / Saturation
- - Colorless
  - Very Very Light
  - Very Light
  - Light
  - Light-Medium
  - Medium
  - Medium Deep
  - Deep
  - Very Deep
  - Near Blackish
- Current market value
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Investment potential
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Rarity
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Note
- VIDEO on a hand: https://www.youtube.com/shorts/T7MEu5xdD40

* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

$2,877.00

Price Per Carat

$381.06

- Item Number
- W5807 GB
- Gemstone
- Natural Untreated Tourmaline
- Origin
- Congo, Africa
- Weight
- 7.55 ct
- Dimension (mm)
- 12.8 mm Diameter x 9.3
- Calibrated Size
- No
- Type of Cut
- Custom Designed Checkerboard Crown ROUND
- Cutter
- Mark Nuell – USA
- Color
- Green with Gold-Yellow Overtone
- Clarity
- - F
  - VVS1
  - VVS2
  - VS1
  - VS2
  - SI1
  - SI2
  - P1
  - P2
- Treatment
- None
- Sheen/Schiller/Silk intensity
- - None
  - Very Low
  - Low
  - Low-Medium
  - Medium
  - Medium-Strong
  - Strong
  - Very Strong
- Tone / Saturation
- - Colorless
  - Very Very Light
  - Very Light
  - Light
  - Light-Medium
  - Medium
  - Medium Deep
  - Deep
  - Very Deep
  - Near Blackish
- Investment potential
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Rarity
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1

* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

$3,151.00

Price Per Carat

$389.98

- Item Number
- W5700
- Gemstone
- Natural Untreated Tourmaline
- Origin
- Congo, Africa
- Weight
- 8.08 ct
- Dimension (mm)
- 11.6 x 11.6 x 7.6 mm
- Calibrated Size
- No
- Type of Cut
- Custom Fantasy OCTAGON Cut
- Cutter
- Nolan Sponsler – USA
- Color
- Light Pastel GOLD-PINKISH
- Clarity
- - F
  - VVS1
  - VVS2
  - VS1
  - VS2
  - SI1
  - SI2
  - P1
  - P2
- Treatment
- None
- Sheen/Schiller/Silk intensity
- - None
  - Very Low
  - Low
  - Low-Medium
  - Medium
  - Medium-Strong
  - Strong
  - Very Strong
- Tone / Saturation
- - Colorless
  - Very Very Light
  - Very Light
  - Light
  - Light-Medium
  - Medium
  - Medium Deep
  - Deep
  - Very Deep
  - Near Blackish
- Current market value
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Investment potential
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Rarity
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1

* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

$328.00

Price Per Carat

$82.62

- Item Number
- W5755
- Gemstone
- Natural Untreated Tourmaline
- Origin
- Malawi, Africa
- Weight
- 3.97 ct
- Dimension (mm)
- 9.7 x 6.9 x 6.3
- Calibrated Size
- No
- Type of Cut
- Step Cut OCTAGON
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Green-Orange-Yellow
- Clarity
- - F
  - VVS1
  - VVS2
  - VS1
  - VS2
  - SI1
  - SI2
  - P1
  - P2
- Treatment
- None
- Sheen/Schiller/Silk intensity
- - None
  - Very Low
  - Low
  - Low-Medium
  - Medium
  - Medium-Strong
  - Strong
  - Very Strong
- Tone / Saturation
- - Colorless
  - Very Very Light
  - Very Light
  - Light
  - Light-Medium
  - Medium
  - Medium Deep
  - Deep
  - Very Deep
  - Near Blackish
- Investment potential
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Rarity
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1

* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

$183.00

Price Per Carat

$140.77

- Item Number
- W5705
- Gemstone
- Natural Untreated Tourmaline
- Origin
- Zambia
- Weight
- 1.30 ct
- Dimension (mm)
- 8.0 x 6.2 x 4.5
- Calibrated Size
- Yes
- Type of Cut
- Custom Designed CUSHION
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Pink with Copper Red Overtone/Flashes
- Clarity
- - F
  - VVS1
  - VVS2
  - VS1
  - VS2
  - SI1
  - SI2
  - P1
  - P2
- Treatment
- None
- Sheen/Schiller/Silk intensity
- - None
  - Very Low
  - Low
  - Low-Medium
  - Medium
  - Medium-Strong
  - Strong
  - Very Strong
- Tone / Saturation
- - Colorless
  - Very Very Light
  - Very Light
  - Light
  - Light-Medium
  - Medium
  - Medium Deep
  - Deep
  - Very Deep
  - Near Blackish
- Current market value
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Investment potential
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Rarity
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1

* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

$810.00

Price Per Carat

$353.71

- Item Number
- B-W6112
- Gemstone
- Natural Untreated Tourmaline
- Origin
- Congo, Africa
- Weight
- 2.29 ct
- Dimension (mm)
- 8.4 mm Diameter x 6.0 mm
- Calibrated Size
- No
- Type of Cut
- Custom Designed ROUND
- Cutter
- faceted by Masterpiece Collective – Chris Fafoutis (USA)
- Color
- Pastel Mint Green – Gold
- Clarity
- - F
  - VVS1
  - VVS2
  - VS1
  - VS2
  - SI1
  - SI2
  - P1
  - P2
- Treatment
- None
- Sheen/Schiller/Silk intensity
- - None
  - Very Low
  - Low
  - Low-Medium
  - Medium
  - Medium-Strong
  - Strong
  - Very Strong
- Tone / Saturation
- - Colorless
  - Very Very Light
  - Very Light
  - Light
  - Light-Medium
  - Medium
  - Medium Deep
  - Deep
  - Very Deep
  - Near Blackish
- Investment potential
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Rarity
- - 10
  - 9
  - 8
  - 7
  - 6
  - 5
  - 4
  - 3
  - 2
  - 1
- Note
- VIDEO: https://www.youtube.com/shorts/SNUgRkeRppc

* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)

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