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Showing 861–870 of 1514 results

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$1,300.00

Natural Untreated Cornflower Blue Sapphire, Rwanda 1.52 Ct quantity

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Price Per Carat

$855.26

• • Item Number
  • B-W5898
• • Gemstone
  • Natural Unheated Blue Sapphire
• • Origin
  • Rwanda, Africa
• • Weight
  • 1.52 ct
• • Dimension (mm)
  • 7.1 x 7.0 x 4.5
• • Calibrated Size
  • No
• • Type of Cut
  • Custom Designed Shield
• • Cutter
  • Faceted by Ravenstein Gem Co.
• • Color
  • Cornflower Blue
• • 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
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    • 1
• • Rarity
  • • 10
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    • 6
    • 5
    • 4
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    • 2
    • 1
• • Note
  • VIDEO outside: https://www.youtube.com/shorts/y7aEraPMpm8

* 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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$225.00

Natural Untreated Danburite-Mexico 12.24 Ct quantity

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Price Per Carat

$18.38

• • Item Number
  • W / 16324
• • Gemstone
  • Danburite
• • Origin
  • La Aurora mine, Charcas, San Luis Potosí, Mexico
• • Weight
  • 12.24 ct
• • Dimension (mm)
  • 17.5 x 13.3 x 8.1
• • Calibrated Size
  • No
• • Type of Cut
  • Custom Designed Super Radiant CUSHION
• • Cutter
  • Faceted by Ravenstein Gem Co.
• • Color
  • Slight 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
• • Current market value
  • • 10
    • 9
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    • 2
    • 1
• • Investment potential
  • • 10
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    • 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)

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$101.00

Natural Untreated Danburite-Mexico 4.37 Ct quantity

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Price Per Carat

$23.11

• • Item Number
  • W / 20770
• • Gemstone
  • Danburite
• • Origin
  • La Aurora mine, Charcas, San Luis Potosí, Mexico
• • Weight
  • 4.37 ct
• • Dimension (mm)
  • 16.3 x 9.5 x 7.3
• • Calibrated Size
  • No
• • Type of Cut
  • Custom Designed LOZENGE
• • Cutter
  • Faceted by Ravenstein Gem Co.
• • Color
  • Slight 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
• • Current market value
  • • 10
    • 9
    • 8
    • 7
    • 6
    • 5
    • 4
    • 3
    • 2
    • 1
• • Investment potential
  • • 10
    • 9
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    • 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)

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$250.00

Natural Untreated Gold Yellow Imperial Topaz 2.10 ct cushion quantity

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Price Per Carat

$119.05

• • Item Number
  • W6831
• • Gemstone
  • Natural Untreated Yellow Imperial Topaz
• • Origin
  • W. Africa
• • Weight
  • 2.10 ct
• • Dimension (mm)
  • 7.3 x 7.3 x 5.5
• • Calibrated Size
  • No
• • Type of Cut
  • Custom Designed CUSHION
• • Cutter
  • Faceted by Ravenstein Gem Co.
• • Color
  • Yellow-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 on a hand: https://www.youtube.com/shorts/_GMHeDG5Amk

* 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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$149.00

Natural Untreated Gold-Yellow Imperial Topaz 1.08 Ct oval quantity

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Price Per Carat

$137.96

• • Item Number
  • W6824
• • Gemstone
  • Natural Untreated Yellow Imperial Topaz
• • Origin
  • W. Africa
• • Weight
  • 1.08 ct
• • Dimension (mm)
  • 7.1 x 5.9 x 3.8
• • Calibrated Size
  • No
• • Type of Cut
  • Custom Designed OVAL
• • Cutter
  • Faceted by Ravenstein Gem Co.
• • Color
  • Pastel Gold 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: https://www.youtube.com/shorts/I2MM9s4XAnc

* 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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$250.00

Natural Untreated Gold-Yellow Imperial Topaz 1.84 Ct oval quantity

Add to cart

Price Per Carat

$135.87

• • Item Number
  • W6822
• • Gemstone
  • Natural Untreated Yellow Imperial Topaz
• • Origin
  • W. Africa
• • Weight
  • 1.84 ct
• • Dimension (mm)
  • 8.4 x 6.7 x 4.8
• • Calibrated Size
  • No
• • Type of Cut
  • Custom Designed OVAL
• • Cutter
  • Faceted by Ravenstein Gem Co.
• • Color
  • Pastel Gold 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: https://www.youtube.com/shorts/IzJZI-I8yyo

* 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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$378.00

Natural Untreated Gold-Yellow Imperial Topaz 2.93 ct oval quantity

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Price Per Carat

$129.01

• • Item Number
  • W6826
• • Gemstone
  • Natural Untreated Yellow Imperial Topaz
• • Origin
  • W. Africa
• • Weight
  • 2.93 ct
• • Dimension (mm)
  • 9.7 x 7.7 x 5.8
• • Calibrated Size
  • Yes
• • Type of Cut
  • Custom Designed OVAL
• • Cutter
  • Faceted by Ravenstein Gem Co.
• • Color
  • Pastel Gold 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: https://www.youtube.com/shorts/-zUCh0jbsAo

* 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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$155.00

Natural Untreated Gold-Yellow Precious Topaz-W. Africa 2.32 Ct quantity

Add to cart

Price Per Carat

$66.81

• • Item Number
  • W5617
• • Gemstone
  • Natural Untreated Gold-Yellow Precious Topaz
• • Origin
  • W. Africa
• • Weight
  • 2.32 ct
• • Dimension (mm)
  • 8.1 x 8.0 x 5.5
• • Calibrated Size
  • Yes
• • Type of Cut
  • Custom Designed POLYGON
• • Cutter
  • Faceted by Ravenstein Gem Co.
• • Color
  • Gold-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
• • Note
  • Video on a hand: https://www.youtube.com/watch?v=unlaPipIVa0

* 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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$749.00

Natural Untreated Gold-Yellow Topaz 5.11 Ct quantity

Add to cart

Price Per Carat

$146.58

• • Item Number
  • W7344
• • Gemstone
  • Natural Untreated Yellow Imperial Topaz
• • Origin
  • W. Africa
• • Weight
  • 5.11 ct
• • Dimension (mm)
  • 10.0 x 10.0 x 7.4
• • Calibrated Size
  • Yes
• • Type of Cut
  • Custom Designed POLYGON
• • Cutter
  • Faceted by Ravenstein Gem Co.
• • Color
  • Pastel Gold 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 on a hand: https://www.youtube.com/shorts/KexIEBU09D4, VIDEO outside: https://www.youtube.com/shorts/8fJuqvpltCI

* 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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$830.00

Natural Untreated Gold-Yellow Topaz 5.95 Ct oval quantity

Add to cart

Price Per Carat

$139.50

• • Item Number
  • W7347
• • Gemstone
  • Natural Untreated Yellow Imperial Topaz
• • Origin
  • W. Africa
• • Weight
  • 5.95 ct
• • Dimension (mm)
  • 11.8 x 9.3 x 7.7
• • Calibrated Size
  • Yes
• • Type of Cut
  • Custom Designed OVAL
• • Cutter
  • Faceted by Ravenstein Gem Co.
• • Color
  • Pastel Gold 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 on a hand: https://www.youtube.com/shorts/O5p0xRTrYCs

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