Shop

Nigeria, Africa

52 available Gems

Item Number
Gemstone
Natural Tourmaline
Origin
Nigeria, Africa
Weight (ct)
1.19 ct
Dimensions (mm)
12.4 x 5.0 x 3.8
Calibrated Size
No
Type of Cut
Custom Designed MARQUISE
Cutter
Faceted by Ravenstein Gem Co.
Color
Lime Green to Grass 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
$54.62
$100.00
Item Number
Gemstone
Natural Tourmaline
Origin
Nigeria, Africa
Weight (ct)
1.44 ct
Dimensions (mm)
9.2 x 5.1 x 3.9
Calibrated Size
No
Type of Cut
Radiant OCTAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Lime Green to Olive Green
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation

* 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
$69.44
$115.00
Item Number
Gemstone
Natural Tourmaline
Origin
Nigeria, Africa
Weight (ct)
1.58 ct
Dimensions (mm)
7.7 x 5.8 x 4.6
Calibrated Size
No
Type of Cut
Radiant OCTAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Green with Yellowish Flashes
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
$72.78
$300.00
Item Number
Gemstone
Natural Tourmaline
Origin
Nigeria, Africa
Weight (ct)
4.01 ct
Dimensions (mm)
15.0 x 5.9 x 4.8
Calibrated Size
No
Type of Cut
Step Cut OCTAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Lime Green to Olive 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
$74.81
Item Number
Gemstone
Morganite
Origin
Nigeria, Africa
Weight (ct)
4.37 ct
Dimensions (mm)
10.9 x 9.6 x 6.9
Calibrated Size
No
Type of Cut
Radiant Cross Crown Octagon Barion Pavilion
Cutter
Ian - EU
Color
Very Light Pinkish
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation

* 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
$46.91
Item Number
Gemstone
Phenakite
Origin
Nigeria, Africa
Weight (ct)
12.02 ct
Dimensions (mm)
13.5 x 13 x 9.8
Color
Water clear diamond-like colorless
Clarity
Transparent, mostly clean with some minor inclusions
Treatment
None
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
$11.23
Item Number
Gemstone
Phenakite
Origin
Nigeria, Africa
Weight (ct)
9.72 ct
Dimensions (mm)
15.8 x 11.5 x 8.3
Color
Water clear diamond-like colorless
Clarity
Transparent, mostly clean with some minor inclusions
Treatment
None
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
$11.83
$89.00
Item Number
Gemstone
Natural Untreated Blue Topaz
Origin
Nigeria, Africa
Weight (ct)
5.61 ct
Dimensions (mm)
16.0 x 10.0 x 6.7
Calibrated Size
No
Type of Cut
Custom Designed PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
Very Very Light Blue
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation

* 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
$15.86
$126.00
Item Number
Gemstone
Natural Untreated Blue Topaz
Origin
Nigeria, Africa
Weight (ct)
8.23 ct
Dimensions (mm)
14.0/14.1 x 9.0/9.0 x 5.9/6.1
Calibrated Size
No
Type of Cut
Custom Designed PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
Very Very Light Blue
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation

* 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
$15.31
$330.00
Item Number
Gemstone
Natural Untreated Blue Topaz
Origin
Nigeria, Africa
Weight (ct)
11.10 ct
Dimensions (mm)
11.0/11.0 x 10.9/10.9 x 7.0/7.0
Calibrated Size
No
Type of Cut
Custom Designed TRIANGLE
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
$29.73

Step into a world of rare beauty