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790 available Gems

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$72.00
Item Number
W / 21765
Gemstone
Natural Untreated Blue Topaz
Origin
Nigeria, Africa
Weight (ct)
3.08 ct
Dimensions (mm)
8.5 mm Diameter x 6.4
Calibrated Size
No
Type of Cut
Custom Designed ROUND
Cutter
Faceted by Ravenstein Gem Co.
Color
Very Light Pastel Blue
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
3D View

* 1.0 Ct = 0.2 Gr ** Images Were Taken Under Open Daylight (6,500K), For Color Change Gems Additionally Under Iridescent Light Source (2700K)
Price per Carat
$23.38
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$90.00
Item Number
21496
Gemstone
Natural Untreated Topaz
Origin
Nigeria, Africa
Weight (ct)
3.70 ct
Dimensions (mm)
10.0 x 8.0 x 6.9
Calibrated Size
Yes
Type of Cut
Custom Designed OVAL
Cutter
Faceted by Ravenstein Gem Co.
Color
Bluish Tint
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
3D View

* 1.0 Ct = 0.2 Gr ** Images Were Taken Under Open Daylight (6,500K), For Color Change Gems Additionally Under Iridescent Light Source (2700K)
Price per Carat
$24.32
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$1,195.00
Item Number
22105
Gemstone
Natural Untreated Blue Topaz
Origin
Nigeria, Africa
Weight (ct)
40.92 ct
Dimensions (mm)
18.1/18.2 x 14.5/14.4 x 11.8/11.9
Calibrated Size
No
Type of Cut
Custom Designed OVAL
Cutter
Faceted by Ravenstein Gem Co.
Color
Light Pastel Blue
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
3D View

* 1.0 Ct = 0.2 Gr ** Images Were Taken Under Open Daylight (6,500K), For Color Change Gems Additionally Under Iridescent Light Source (2700K)
Price per Carat
$29.20
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$260.00
Item Number
W7594
Gemstone
Natural Untreated Blue Topaz
Origin
Nigeria, Africa
Weight (ct)
8.77 ct
Dimensions (mm)
16.1/15.9 x 10.6/10.4 x 6.8/.6.6
Calibrated Size
No
Type of Cut
Custom Designed KITE
Cutter
Faceted by Ravenstein Gem Co.
Color
Very Light Pastel Blue
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
3D View

* 1.0 Ct = 0.2 Gr ** Images Were Taken Under Open Daylight (6,500K), For Color Change Gems Additionally Under Iridescent Light Source (2700K)
Price per Carat
$29.65
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$570.00
Item Number
W7367
Gemstone
Natural Untreated Blue-Green Topaz
Origin
Nigeria, Africa
Weight (ct)
17.13 ct
Dimensions (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 Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
3D View

* 1.0 Ct = 0.2 Gr ** Images Were Taken Under Open Daylight (6,500K), For Color Change Gems Additionally Under Iridescent Light Source (2700K)
Price per Carat
$33.27
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$490.00
Item Number
W7181
Gemstone
Natural Citrine
Origin
Malawi, Africa
Weight (ct)
17.04 ct
Dimensions (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 Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
3D View

* 1.0 Ct = 0.2 Gr ** Images Were Taken Under Open Daylight (6,500K), For Color Change Gems Additionally Under Iridescent Light Source (2700K)
Price per Carat
$28.76
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$1,300.00
Item Number
B-W5898
Gemstone
Natural Unheated Blue Sapphire
Origin
Rwanda, Africa
Weight (ct)
1.52 ct
Dimensions (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 Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
3D View

* 1.0 Ct = 0.2 Gr ** Images Were Taken Under Open Daylight (6,500K), For Color Change Gems Additionally Under Iridescent Light Source (2700K)
Price per Carat
$855.26
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$785.00
Item Number
B-W5976
Gemstone
Natural Tourmaline
Origin
Congo, Africa
Weight (ct)
3.29 ct
Dimensions (mm)
10.7 x 7.8 x 5.9
Calibrated Size
No
Type of Cut
Custom Designed CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Laguna Green Blue
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
3D View

* 1.0 Ct = 0.2 Gr ** Images Were Taken Under Open Daylight (6,500K), For Color Change Gems Additionally Under Iridescent Light Source (2700K)
Price per Carat
$238.60
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$365.00
Item Number
W5256
Gemstone
Natural Unheated Parti Sapphire
Origin
Kenya
Weight (ct)
1.48 ct
Dimensions (mm)
9.7 x 6.0 x 4.2
Calibrated Size
No
Type of Cut
Custom Designed PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
Blue-Green-Teal
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
3D View

* 1.0 Ct = 0.2 Gr ** Images Were Taken Under Open Daylight (6,500K), For Color Change Gems Additionally Under Iridescent Light Source (2700K)
Price per Carat
$246.62
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$690.00
Item Number
W5849
Gemstone
Natural Unheated Parti Sapphire
Origin
Kenya
Weight (ct)
2.56 ct
Dimensions (mm)
10.4 x 6.7 x 5.5
Calibrated Size
No
Type of Cut
Custom Designed Shield
Cutter
Faceted by Ravenstein Gem Co.
Color
Blue-Green
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Clarity
VS1 + schiller
Treatment
None
Tone / Saturation
3D View

* 1.0 Ct = 0.2 Gr ** Images Were Taken Under Open Daylight (6,500K), For Color Change Gems Additionally Under Iridescent Light Source (2700K)
Price per Carat
$269.53
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