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292 available Gems

$200.00
Item Number
Gemstone
Natural Untreated Silver-Bluish Topaz
Origin
Nigeria, Africa
Weight (ct)
10.0 ct
Dimensions (mm)
13.1 mm Diameter x 9.1 mm
Calibrated Size
No
Type of Cut
Custom Designed ROUND
Cutter
Faceted by Ravenstein Gem Co.
Color
Silver-Bluish
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
$20.00
$220.00
Item Number
Gemstone
Natural Untreated Topaz
Origin
Nigeria, Africa
Weight (ct)
8.47 ct
Dimensions (mm)
11.2/10.8 x 11.2/10.7 x 6.2/6.3
Calibrated Size
No
Type of Cut
Custom Designed TRILLION
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
$25.97
$85.00
Item Number
Gemstone
Natural Untreated Tourmaline
Origin
Malawi, Africa
Weight (ct)
0.82 ct
Dimensions (mm)
5.9 x 4.3 x 3.7
Calibrated Size
Yes
Type of Cut
Stepped OCTAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Orange-Gold-Green
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
$103.66
Item Number
Gemstone
Natural Untreated Tourmaline
Origin
Malawi, Africa
Weight (ct)
1.01 ct
Dimensions (mm)
6.5 x 6.4 x 4.6
Calibrated Size
No
Type of Cut
Modified TRILLION
Cutter
Faceted by Ravenstein Gem Co.
Color
Orange-Honey with Green-Gold Flashes & Shift
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
$94.06
Item Number
Gemstone
Natural Zircon
Origin
Tanzania, Africa
Weight (ct)
17.94 ct
Dimensions (mm)
16.7 x 10.9 x 7.7
Color
Champagne
Shape
Natural Rough
Clarity
Transparent, Facet Grade
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
$7.41
Item Number
Gemstone
Natural Zircon
Origin
Tanzania, Africa
Weight (ct)
19.65 ct
Dimensions (mm)
17.8 x 9.1 x 9.8
Color
as photographed
Shape
Natural Rough
Clarity
Transparent, Facet Grade
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
$6.87
$160.00
Item Number
Gemstone
Natural Zircon
Origin
Tanzania, Africa
Weight (ct)
24.45 ct
Dimensions (mm)
22.9 x 12.4 x 6.4
Color
as photographed
Shape
Natural flat rough
Clarity
Transparent, carving grade / for a fantasy cut, Transparent, Facet Grade
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
$6.54
$131.00
Item Number
Gemstone
Natural Zircon
Origin
Tanzania, Africa
Weight (ct)
28.0 ct
Color
as photographed
Shape
Natural Rough
Clarity
Transparent, Facet Grade
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
$4.68
$129.00
Item Number
Gemstone
Natural Zircon
Origin
Nigeria, Africa
Weight (ct)
3.56 ct
Dimensions (mm)
8.9 x 7.3 x 6.2
Calibrated Size
No
Type of Cut
Custom Designed Half Moon
Cutter
Faceted by Ravenstein Gem Co.
Color
Champagne-Smoky
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
$36.24
Item Number
Gemstone
Natural Zircon
Origin
Sri Lanka
Weight (ct)
4.0 ct
Dimensions (mm)
11.1 x 9.0 x 5.7
Calibrated Size
No
Type of Cut
Radiant SHIELD
Cutter
Faceted by Ravenstein Gem Co.
Color
Walnut-Mahogany
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
$33.00

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