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Name: Natural Untreated Blue Sapphire, Rwanda 3.46 Ct sugarloaf cabochon
SKU: B-W5889
Price: 225.00 USD
Availability: InStock

Showing 831–840 of 1514 results

$940.00

Price Per Carat

$591.19

- Item Number
- B-W5968
- Gemstone
- Natural Unheated Blue Sapphire
- Origin
- Rwanda, Africa
- Weight
- 1.59 ct
- Dimension (mm)
- 8.2 x 6.3 x 4.2
- Calibrated Size
- Yes
- Type of Cut
- Custom Designed PEAR
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Medium 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
- Note
- VIDEO outside: https://www.youtube.com/shorts/EUDNfBBggbE

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

$648.00

Price Per Carat

$405.00

- Item Number
- B-W6558
- Gemstone
- Natural Unheated Blue Sapphire
- Origin
- Rwanda, Africa
- Weight
- 1.60 ct
- Dimension (mm)
- 7.7 x 5.5 x 4.2
- Calibrated Size
- No
- Type of Cut
- Custom Designed Shield
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Medium 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
- Note
- VIDEO outside: https://www.youtube.com/shorts/3_TmEovwHR8

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

$805.00

Price Per Carat

$493.87

- Item Number
- B-W5973
- Gemstone
- Natural Unheated Blue Sapphire
- Origin
- Rwanda, Africa
- Weight
- 1.63 ct
- Dimension (mm)
- 7.9 x 5.7 x 4.0
- Calibrated Size
- Yes
- Type of Cut
- Custom Designed CUSHION
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Light 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
- Note
- VIDEO: https://www.youtube.com/shorts/6ye_g4T6t10

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

$1,000.00

Price Per Carat

$558.66

- Item Number
- B-W5970
- Gemstone
- Natural Unheated Blue Sapphire
- Origin
- Rwanda, Africa
- Weight
- 1.79 ct
- Dimension (mm)
- 9.9 x 5.1 x 3.7
- Calibrated Size
- No
- Type of Cut
- Radiant SHIELD
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Light 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
- Note
- Video : https://www.youtube.com/shorts/fS7U8Vv6p-k

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

$1,185.00

Price Per Carat

$654.70

- Item Number
- B-W7395
- Gemstone
- Natural Unheated Blue Sapphire
- Origin
- Rwanda, Africa
- Weight
- 1.81 ct
- Dimension (mm)
- 7.7 x 6.3 x 4.7
- Calibrated Size
- No
- Type of Cut
- Custom Designed OVAL
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- 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
- Note
- VIDEO: https://www.youtube.com/shorts/Q_G2-mRtczk

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

$143.00

Price Per Carat

$73.33

- Item Number
- B-W5891
- Gemstone
- Natural Unheated Blue Sapphire
- Origin
- Rwanda, Africa
- Weight
- 1.95 ct
- Dimension (mm)
- 7.4 x 6.9 x 4.4
- Calibrated Size
- No
- Type of Cut
- Sugarloaf Cabochon
- Cutter
- cut by Ravenstein Gem Co.
- Color
- Midnight 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
- Note
- Video on a hand: https://www.youtube.com/watch?v=1_wLcMPrm8c

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

$1,000.00

Price Per Carat

$497.51

- Item Number
- B-W5971
- Gemstone
- Natural Unheated Blue Sapphire
- Origin
- Rwanda, Africa
- Weight
- 2.01 ct
- Dimension (mm)
- 7.1 x 7.0 x 5.1
- Calibrated Size
- Yes
- Type of Cut
- Custom Designed Square CUSHION
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Blue with some color zoning
- 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/6Sb1_L7rRdE

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

$740.00

Price Per Carat

$334.84

- Item Number
- W / B-21086
- Gemstone
- Natural Unheated Blue Sapphire
- Origin
- Rwanda, Africa
- Weight
- 2.21 ct
- Dimension (mm)
- 9.9 x 7.6 x 4.1
- Calibrated Size
- No
- Type of Cut
- Modified Radiant PEAR
- Cutter
- Faceted by Ravenstein Gem Co.
- Color
- Medium 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)

$640.00

Price Per Carat

$29.95

- Item Number
- W6225
- Gemstone
- Natural Unheated Blue Sapphire
- Origin
- Rwanda, Africa
- Weight
- 21.37 ct
- Shape
- Natural rough 9 pcs
- Color
- Various saturation levels of blue color from medium blue to deep royal blue
- Clarity
- Mostly clean, facet grade, some with typical rutile silk
- Treatment
- None
- 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/DdSheb5yCcQ, VIDEO outside: https://www.youtube.com/shorts/uRGEbZvMymE

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

$225.00

Price Per Carat

$65.03

- Item Number
- B-W5889
- Gemstone
- Natural Unheated Blue Sapphire
- Origin
- Rwanda, Africa
- Weight
- 3.46 ct
- Dimension (mm)
- 8.4 x 6.8 x 5.3
- Calibrated Size
- No
- Type of Cut
- Sugarloaf Cabochon
- Cutter
- cut by Ravenstein Gem Co.
- Color
- Midnight 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
- Note
- Video on a hand: https://www.youtube.com/shorts/OFyo083tcLM

* 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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