Tourmaline

Name: Natural Tricolor Tourmaline, Congo 10.42 Ct octagon
SKU: B-W5947
Availability: InStock

Showing 21–30 of 78 results

$6,705.00

Price Per Carat

$1,500.00

- Item Number
- W6522
- Gemstone
- Natural Untreated Tourmaline
- Origin
- Congo, Africa
- Weight
- 4.47 ct
- Dimension (mm)
- 7.8/7.7 x 7.8/7.7 x 6.4/6.3 mm
- Calibrated Size
- Yes
- Type of Cut
- Custom Designed TRILLION
- Cutter
- faceted by Masterpiece Collective – Steven Tyler (USA)
- Color
- Incredible Blue-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/dMuIsAyN3sY

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

$442.00

Price Per Carat

$135.58

- Item Number
- W6428
- Gemstone
- Natural Tourmaline
- Origin
- Namibia
- Weight
- 3.26 ct
- Dimension (mm)
- 9.6 mm Diameter x 6.6
- Calibrated Size
- No
- Type of Cut
- Custom Designed ROUND
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Vivid Blue Green and Yellow 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
- 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/gtN7lzIIX1s, VIDEO on a hand: https://www.youtube.com/shorts/ipJ3QAU9oBI

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

$204.00

Price Per Carat

$128.30

- Item Number
- W6418
- Gemstone
- Natural Tourmaline
- Origin
- Zambia
- Weight
- 1.59 ct
- Dimension (mm)
- 7.0 x 7.0 x 4.8
- Calibrated Size
- Yes
- Type of Cut
- Custom Designed Radiant SQUARE
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Bright 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
- 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 outside: https://www.youtube.com/shorts/GIcA2cGns9E

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

$253.00

Price Per Carat

$147.09

- Item Number
- W6425
- Gemstone
- Natural Tourmaline
- Origin
- Zambia
- Weight
- 1.72 ct
- Dimension (mm)
- 6.9 x 6.8 x 5.4
- Calibrated Size
- Yes
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Vivid Peacock Green-Blue to Vibrant Chartreuse Green
- Clarity
- - F
  - VVS1
  - VVS2
  - VS1
  - VS2
  - SI1
  - SI2
  - P1
  - P2
- 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/jUmM8_6xAeQ

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

$275.00

Price Per Carat

$132.21

- Item Number
- W6412
- Gemstone
- Natural Tourmaline
- Origin
- Zambia
- Weight
- 2.08 ct
- Dimension (mm)
- 8.9 x 5.8 x 5.5
- Calibrated Size
- No
- Type of Cut
- Radiant Rectangle
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Green with Gold 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
- Note
- VIDEO: https://www.youtube.com/shorts/d4V-elbKKaY, VIDEO: https://www.youtube.com/shorts/Y5NvUbrfRHk

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

$240.00

Price Per Carat

$97.56

- Item Number
- W6416
- Gemstone
- Natural Tourmaline
- Origin
- Zambia
- Weight
- 2.46 ct
- Dimension (mm)
- 9.9 x 6.8 x 5.8
- Calibrated Size
- No
- Type of Cut
- Custom Designed CUSHION
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Green with Gold 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
- Note
- VIDEO: https://www.youtube.com/watch?v=0evxOHvCwLE, VIDEO: https://www.youtube.com/watch?v=JcPOPgjeIME

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

$360.00

Price Per Carat

$142.29

- Item Number
- W6414
- Gemstone
- Natural Tourmaline
- Origin
- Zambia
- Weight
- 2.53 ct
- Dimension (mm)
- 12.8 x 5.7 x 4.4
- Calibrated Size
- No
- Type of Cut
- Custom Designed Octagon
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Light Pastel 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
- Note
- VIDEO:https://www.youtube.com/watch?v=_0vr_cQEnhQ

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

$353.00

Price Per Carat

$133.21

- Item Number
- W6413
- Gemstone
- Natural Tourmaline
- Origin
- Zambia
- Weight
- 2.65 ct
- Dimension (mm)
- 8.1 x 8.0 x 5.9
- Calibrated Size
- Yes
- Type of Cut
- Custom Designed Octagon
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Pastel 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
- Note
- VIDEO: https://www.youtube.com/watch?v=tCsz0Ny6MUY

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

$555.00

Price Per Carat

$111.00

- Item Number
- W6417
- Gemstone
- Natural Tourmaline
- Origin
- Zambia
- Weight
- 5.0 ct
- Dimension (mm)
- 11.8 x 7.9 x 6.9
- Calibrated Size
- No
- Type of Cut
- Radiant Rectangle
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- 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 outside: https://www.youtube.com/shorts/KgQ-aCGKEl4, VIDEO on a hand: https://www.youtube.com/shorts/O2wIgW8dMxs

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

$5,750.00

Price Per Carat

$551.82

- Item Number
- B-W5947
- Gemstone
- Natural Untreated Tricolor Tourmaline
- Origin
- Congo, Africa
- Weight
- 10.42 ct
- Dimension (mm)
- 20.2 x 8.4 x 6.9 mm
- Calibrated Size
- No
- Type of Cut
- Custom Designed Octagon
- Cutter
- faceted by Masterpiece Collective – Nick Brevig (USA)
- Color
- Bright Grass Green to Gold Yellow to Bright Pink
- 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 on a hand: https://www.youtube.com/shorts/rcW-in2eiY0, VIDEO outside: https://www.youtube.com/shorts/EoiJKHzz1vg

* 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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