Tourmaline
Showing 1–10 of 74 results
-
- Item Number
- W4852
-
- Gemstone
- Dichroic Yellow-Green Tourmaline
-
- Origin
- Zambia
-
- Weight
- 2.06 ct
-
- Dimension (mm)
- 9.2 x 8.5 x 5.2
-
- Calibrated Size
- No
-
- Type of Cut
- Modified Trillion Brilliant
-
- Cutter
- Faceted by Ravenstein Gem Co.
-
- Color
- Yellow-Green with Light 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
-
- 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
-
- Item Number
- W0684
-
- Gemstone
- Elbaite Tourmaline
-
- Origin
- Congo, Africa
-
- Weight
- 5.37 ct
-
- Dimension (mm)
- 11.5 x 9.6 x 7.3
-
- Calibrated Size
- No
-
- Type of Cut
- CUSHION Brilliant
-
- Cutter
- Miro – EU
-
- Color
- Very Deep Chrome 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
-
- 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
-
- Item Number
- W4131 / C100
-
- Gemstone
- Green Tourmaline
-
- Origin
- Kenya
-
- Weight
- 26.21 ct
-
- Dimension (mm)
- 24.06 x 12.93 x 12.26 mm
-
- Calibrated Size
- No
-
- Type of Cut
- Modified OCTAGON “Shockwave”
-
- Cutter
- Loren Brown – USA. Commission sale on behalf Loren Brown. This gemstone will be shipped by the artist Loren Brown directly from his place in Texas.
-
- Color
- Blue-Green and Yellowish-Green
-
- Clarity
-
- F
- VVS1
- VVS2
- VS1
- VS2
- SI1
- SI2
- P1
- P2
-
- Clarity
- SI1- slightly included, can see with naked eye
-
- 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
- Commission sale on behalf Loren Brown. Ravenstein Gem Co. doesn't carry any responsibility when it comes to final price, quality, exchanges etc.
-
- Item Number
- W5448
-
- Gemstone
- Malkhan Tourmaline "Frog" carving
-
- Origin
- Malkhan, Russia
-
- Weight
- 91.75 ct
-
- Dimension (mm)
- 38 x 24 x 18
-
- Shape
- Frog Carving
-
- Color
- Bicolor Yellow-Pink
-
- Clarity
- Top gemmy, transparent
-
- Treatment
- None
-
- 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
- Carved by Maxim Morozov – an artist from Irkutsk, Russia.
-
- Item Number
- W5409
-
- Gemstone
- Malkhan Tourmaline-Quartz
-
- Origin
- Russia
-
- Weight
- 1385 ct
-
- Dimension (mm)
- 120 x 79 mm
-
- Cutter
- Carved by Maxim Morozov – an artist from Irkutsk, Russia.
-
- Shape
- Malkhan Tourmaline-Quartz Fish carving
-
- Treatment
- None
-
- Item Number
- W4899
-
- Gemstone
- Natural Tourmaline
-
- Origin
- Namibia
-
- Weight
- 1.87 ct
-
- Dimension (mm)
- 11.2 x 5.0 x 4.0
-
- Calibrated Size
- No
-
- Type of Cut
- Radiant BAGUETTE
-
- Cutter
- Faceted by Ravenstein Gem Co.
-
- Color
- Intense Chrome 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
-
- 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 outside: https://www.youtube.com/shorts/jpQB-vaq3B4
-
- Item Number
- W4734
-
- Gemstone
- Natural Untreated Tourmaline
-
- Origin
- Zambia
-
- Weight
- 1.45 ct
-
- Dimension (mm)
- 8.6 x 6.1 x 5.0
-
- Calibrated Size
- No
-
- Type of Cut
- Custom Designed Radiant CUSHION
-
- Cutter
- Faceted by Ravenstein Gem Co.
-
- Color
- Green-Blue 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
-
- Investment potential
-
- 10
- 9
- 8
- 7
- 6
- 5
- 4
- 3
- 2
- 1
-
- Rarity
-
- 10
- 9
- 8
- 7
- 6
- 5
- 4
- 3
- 2
- 1
-
- Item Number
- W4858
-
- Gemstone
- Lemon Tourmaline
-
- Origin
- Zambia
-
- Weight
- 1.64 ct
-
- Dimension (mm)
- 8.6 x 8.1 x 4.4
-
- Calibrated Size
- No
-
- Type of Cut
- Modified Radiant Shield
-
- Cutter
- Faceted by Ravenstein Gem Co.
-
- Color
- Yellow-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
-
- 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
-
- Item Number
- W6063
-
- Gemstone
- Malkhan Tourmaline
-
- Origin
- Malkhan, Siberia, Russia
-
- Weight
- 2.08 ct
-
- Dimension (mm)
- 11.6 x 6.0 x 4.4
-
- Calibrated Size
- No
-
- Type of Cut
- Custom Designed Rhomboid
-
- Cutter
- Faceted by Ravenstein Gem Co.
-
- Color
- Bright Vivid 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: https://www.youtube.com/shorts/iRHX7yZT9ao
-
- Item Number
- W4728
-
- Gemstone
- Natural Tourmaline
-
- Origin
- Zambia
-
- Weight
- 1.46 ct
-
- Dimension (mm)
- 8.9 x 6.8 x 4.4
-
- Calibrated Size
- Yes
-
- Type of Cut
- Radiant PEAR
-
- Cutter
- faceted by Ravenstein Gem Co., EU
-
- Color
- Green-Blue to Orange-Greenish 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
* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)
* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)
* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)
* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)
* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)
* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)
* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)
* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)
* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)
* 1.0 ct = 0.2 gr ** Images were taken under open daylight (6,500K), for color change gems additionally under iridescent light source (2700K)