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82 available Gems

$135.00
Item Number
Gemstone
Colombianite
Origin
Colombia
Weight (ct)
4.25 ct
Dimensions (mm)
10.2/10.2 x 8.3/7.8 x 6.3/6.4
Calibrated Size
No
Type of Cut
Modified MARQUISE
Cutter
Faceted by Ravenstein Gem Co.
Color
Walnut-Mahogany
Clarity
Transparent
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
$31.76
$150.00
Item Number
Gemstone
Colombianite
Origin
Colombia
Weight (ct)
4.70 ct
Dimensions (mm)
8.7/8.9 x 8.6/8.9 x 6.6/6.6
Calibrated Size
No
Type of Cut
Custom Designed HEXAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Walnut-Mahogany
Clarity
Transparent
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
$31.91
$150.00
Item Number
Gemstone
Colombianite
Origin
Colombia
Weight (ct)
4.86 ct
Dimensions (mm)
9.5/9.4 x 7.6/7.6 x 6.6/6.8
Calibrated Size
No
Type of Cut
Custom Designed Octagon
Cutter
Faceted by Ravenstein Gem Co.
Color
Walnut-Mahogany
Clarity
Transparent
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
$30.86
Item Number
Gemstone
Color Change Garnet
Origin
Kenya
Weight (ct)
2.42 ct
Dimensions (mm)
9.5 x 7.7 x 5.1
Calibrated Size
No
Type of Cut
Custom Designed PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
Brown Greenish to Pink-Red
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
$195.45
Item Number
Gemstone
Green Tourmaline
Origin
Nigeria, Africa
Weight (ct)
2.66 ct
Dimensions (mm)
9.6 x 9.0 x 5.6
Calibrated Size
No
Type of Cut
TRILLION Brilliant
Cutter
Faceted by Ravenstein Gem Co.
Color
Deep 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
$58.27
Item Number
Gemstone
Dichroic Schiller Oregon Sunstone
Origin
PANA Mine, Little Eagle Butte, Oregon, USA
Weight (ct)
4.46 ct
Dimensions (mm)
16.5 x 8.9 x 6.6
Calibrated Size
No
Type of Cut
Custom Designed MARQUISE
Cutter
Faceted by Ravenstein Gem Co.
Color
Deep Chrome Green-Teal with Slight Sleepy Copper Schiller
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
$189.46
Item Number
Gemstone
Dichroic Sunset Tourmaline
Origin
Tanzania, Africa
Weight (ct)
3.83 ct
Dimensions (mm)
10.7 x 7.8 x 6.6
Calibrated Size
No
Type of Cut
Checkerboard Cross Crown OCTAGON Radiant Pavilion
Cutter
David - EU
Color
Rich Orange-Reddish to Greenish-Orangey
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
Notes

Investment grade

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
$163.19
$55.00
Item Number
Gemstone
Lindi Garnet
Origin
Tanzania, Africa
Weight (ct)
3.83 ct
Dimensions (mm)
10.9 x 8.7 x 5.6
Calibrated Size
Yes
Type of Cut
OVAL Brilliant
Cutter
Faceted by Ravenstein Gem Co.
Color
Intense Deep Red with Hot Pink 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
$14.36
$55.00
Item Number
Gemstone
Lindi Garnet
Origin
Tanzania, Africa
Weight (ct)
4.06 ct
Dimensions (mm)
9.8 mm Diameter x 5.9
Calibrated Size
Yes
Type of Cut
ROUND Brilliant
Cutter
Faceted by Ravenstein Gem Co.
Color
Intense Deep Red
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
$13.55
Item Number
Gemstone
Genuine Mali Garnet
Origin
Mali
Weight (ct)
1.43 ct
Dimensions (mm)
7.4 x 5.9 x 4.8
Calibrated Size
No
Type of Cut
PEAR Brilliant
Cutter
Faceted by Ravenstein Gem Co.
Color
Mahogany-Honey
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
$45.45

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