Shop

Name: Natural Precious (Imperial) Topaz 14.85 Ct
SKU: W3896
Price: 1122.00 USD
Availability: InStock

natural tourmaline 1.87 ct-ravenstein gem co.

lemon tourmaline 1.64 ct-ravenstein gem co.

Showing 771–780 of 1514 results

$112.00

Price Per Carat

$17.20

- Item Number
- W / 13378
- Gemstone
- Danburite
- Origin
- La Aurora mine, Charcas, San Luis Potosí, Mexico
- Weight
- 6.51 ct
- Dimension (mm)
- 15.4 x 10.2 x 6.4
- Calibrated Size
- No
- Type of Cut
- Split Mains PEAR Brilliant
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Pink Tint
- 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)

$155.00

Price Per Carat

$1.08

- Item Number
- W7300
- Gemstone
- Natural Untreated Bicolor Dichroic Topaz
- Origin
- Africa
- Weight
- 143.60 ct
- Dimension (mm)
- 33 x 27.7 x 19.5
- Shape
- Natural Rough
- Color
- Very Light Sky Blue to Pale Silver-Champagne.
- Clarity
- Clean, transparent, facet grade
- 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/CqSaXJv12o8, VIDEO: https://www.youtube.com/shorts/BPw-amIz95A

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

$270.00

Price Per Carat

$144.39

- 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

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

$197.00

Price Per Carat

$135.86

- 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

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

$582.00

Price Per Carat

$45.29

- Item Number
- W2532
- Gemstone
- Natural Untreated Yellow Imperial Topaz
- Origin
- W. Africa
- Weight
- 12.85 ct
- Dimension (mm)
- 21.8 x 10.4 x 6.3
- Calibrated Size
- No
- Type of Cut
- Custom Designed RHOMBOID Brilliant
- Cutter
- Matthias – EU
- Color
- Vivid Yellow-Gold. Strong shift to Pink-Lavender under long UV light.
- 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
- Extremely rare gemstone from unique location.

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

$169.00

Price Per Carat

$103.05

- 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

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

$260.00

Price Per Carat

$433.33

- Item Number
- W / 21447
- Gemstone
- Natural Untreated Parti Sapphire
- Origin
- Kenya
- Weight
- 0.60 ct
- Dimension (mm)
- 5.2 x 5.1 x 3.1
- Calibrated Size
- Yes
- Type of Cut
- Custom Designed TRILLION
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- 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/wKhkzAin_bM

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

$288.00

Price Per Carat

$384.00

- Item Number
- W6519
- Gemstone
- Natural Untreated Parti Sapphire
- Origin
- Kenya
- Weight
- 0.75 ct
- Dimension (mm)
- 6.6 x 4.2 x 3.6
- Calibrated Size
- No
- Type of Cut
- Modified OVAL
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- 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/vRRutZPuLDM

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

$304.00

Price Per Carat

$146.15

- 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

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

$1,122.00

Price Per Carat

$75.56

- Item Number
- W3896
- Gemstone
- Natural Untreated Precious Topaz
- Origin
- Russia
- Weight
- 14.85 ct
- Dimension (mm)
- 18.3 x 14.7 x 8.7
- Calibrated Size
- No
- Type of Cut
- Modified Radiant PENDELOQUE
- Cutter
- Sven – EU
- Color
- Peach-Copper Red
- Clarity
- - F
  - VVS1
  - VVS2
  - VS1
  - VS2
  - SI1
  - SI2
  - P1
  - P2
- Clarity
- SI2 very thin needle inclusions
- 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/watch?v=vo7dO9GgAnw

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

Shop

Help

Find Us online

Footer

Shop

Help

Get more stuff

Find Us online