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Showing 851–860 of 1514 results

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$570.00

Natural Untreated Blue-Greenish Topaz, Nigeria 17.13 Ct shield quantity

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Price Per Carat

$33.27

• • Item Number
  • W7367
• • Gemstone
  • Natural Untreated Blue-Green Topaz
• • Origin
  • Nigeria, Africa
• • Weight
  • 17.13 ct
• • Dimension (mm)
  • 18.1 x 16.5 x 10.2
• • Calibrated Size
  • No
• • Type of Cut
  • Custom Designed Shield
• • Cutter
  • Faceted by Ravenstein Gem Co.
• • Color
  • Light Pastel Blue with Greenish 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
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    • 1
• • Rarity
  • • 10
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    • 6
    • 5
    • 4
    • 3
    • 2
    • 1
• • Note
  • VIDEO on a hand: https://www.youtube.com/shorts/0f6r-5OwBbg

* 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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$800.00

Natural Untreated Canary Yellow Sapphire, Kenya 0.60 Ct quantity

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Price Per Carat

$1,333.33

• • Item Number
  • W6084
• • Gemstone
  • Natural Untreated Yellow Sapphire
• • Origin
  • Kenya
• • Weight
  • 0.60 ct
• • Dimension (mm)
  • 4.6 x 4.6 x 3.4
• • Calibrated Size
  • No
• • Type of Cut
  • Custom Designed Square Octagon
• • Cutter
  • Faceted by Ravenstein Gem Co.
• • Color
  • Canary 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/cx0CbO7Qe2E

* 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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$379.00

Natural Untreated Canary Yellow Sapphire, Kenya 0.65 Ct rectangle quantity

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Price Per Carat

$583.08

• • Item Number
  • W6079
• • Gemstone
  • Natural Untreated Yellow Sapphire
• • Origin
  • Kenya
• • Weight
  • 0.65 ct
• • Dimension (mm)
  • 6.1 x 3.3 x 2.9
• • Calibrated Size
  • No
• • Type of Cut
  • Radiant Rectangle
• • Cutter
  • Faceted by Ravenstein Gem Co.
• • Color
  • Canary 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/qe10yKxbJIM

* 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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$1,750.00

Natural Untreated Canary Yellow Sapphire, Kenya 1.66 Ct octagon quantity

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Price Per Carat

$1,054.22

• • Item Number
  • W7511
• • Gemstone
  • Natural Untreated Yellow Sapphire
• • Origin
  • Kenya
• • Weight
  • 1.66 ct
• • Dimension (mm)
  • 8.1 x 5.6 x 3.8
• • Calibrated Size
  • No
• • Type of Cut
  • Custom Designed Radiant OCTAGON
• • Cutter
  • Faceted by Ravenstein Gem Co.
• • Color
  • Canary 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
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    • 3
    • 2
    • 1
• • Rarity
  • • 10
    • 9
    • 8
    • 7
    • 6
    • 5
    • 4
    • 3
    • 2
    • 1
• • Note
  • VIDEO: https://www.youtube.com/shorts/ED9cDA2lhPo

* 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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$420.00

Natural Untreated Citrine, Malawi 15.92 Ct oval quantity

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Price Per Carat

$26.38

• • Item Number
  • W7182
• • Gemstone
  • Natural Citrine
• • Origin
  • Malawi, Africa
• • Weight
  • 15.92 ct
• • Dimension (mm)
  • 18.1 x 13.4 x 11.5
• • Calibrated Size
  • No
• • Type of Cut
  • Custom Designed OVAL
• • 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/ALmkyB-L6eQ, VIDEO outside: https://www.youtube.com/shorts/ba2hfN5YBy0

* 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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$546.00

Natural Untreated Citrine, Malawi 16.80 Ct square quantity

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Price Per Carat

$32.50

• • Item Number
  • W6947
• • Gemstone
  • Natural Citrine
• • Origin
  • Malawi, Africa
• • Weight
  • 16.80 ct
• • Dimension (mm)
  • 15.0 x 15.0 11.8
• • Calibrated Size
  • No
• • Type of Cut
  • Custom Designed Super Radiant SQUARE
• • 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 outside: https://www.youtube.com/shorts/HKWOoOfGQy8

* 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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$490.00

Natural Untreated Citrine, Malawi 17.04 Ct trillion quantity

Add to cart

Price Per Carat

$28.76

• • Item Number
  • W7181
• • Gemstone
  • Natural Citrine
• • Origin
  • Malawi, Africa
• • Weight
  • 17.04 ct
• • Dimension (mm)
  • 19.1 x 19.0 x 12.2
• • Calibrated Size
  • No
• • Type of Cut
  • Custom Designed TRILLION
• • 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 outside: https://www.youtube.com/shorts/F_VTh2FN7ss

* 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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$145.00

Natural Untreated Citrine, Malawi 4.71 Ct trillion quantity

Add to cart

Price Per Carat

$30.79

• • Item Number
  • W6948
• • Gemstone
  • Natural Citrine
• • Origin
  • Malawi, Africa
• • Weight
  • 4.71 ct
• • Dimension (mm)
  • 13.7 x 13.6 x 7.2
• • Calibrated Size
  • No
• • Type of Cut
  • Custom Designed TRILLION
• • 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
• • 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/T-MIaVRxEos

* 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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$162.00

Natural Untreated Citrine, Malawi 5.15 Ct trillion quantity

Add to cart

Price Per Carat

$31.46

• • Item Number
  • W6949
• • Gemstone
  • Natural Citrine
• • Origin
  • Malawi, Africa
• • Weight
  • 5.15 ct
• • Dimension (mm)
  • 13.7 x 13.7 x 7.7
• • Calibrated Size
  • No
• • Type of Cut
  • Custom Designed TRILLION
• • 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
• • 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/XZUSkewFT6c

* 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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$402.00

Natural Untreated Cornflower Blue Sapphire, Rwanda 0.73 Ct cushion quantity

Add to cart

Price Per Carat

$550.68

• • Item Number
  • B-W5933
• • Gemstone
  • Natural Unheated Blue Sapphire
• • Origin
  • Rwanda, Africa
• • Weight
  • 0.73 ct
• • Dimension (mm)
  • 5.0 x 5.0 x 3.4
• • Calibrated Size
  • Yes
• • Type of Cut
  • Custom Designed CUSHION
• • 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
    • 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)