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1923 available Gems

Item Number
Gemstone
Chrome Diopside / Siberlite
Origin
Siberia, Russia
Weight (ct)
8.74 ct
Dimensions (mm)
23.8 x 9.7 x 4.1
Color
Rich Chrome GREEN with Emerald GREEN Overtone
Shape
Natural Rough
Clarity
Transparent, carving grade / for a fantasy cut
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
$3.43
$365.00
Item Number
Gemstone
Genuine Chrome Tourmaline
Origin
Kenya
Weight (ct)
1.54 ct
Dimensions (mm)
10.7 x 6.6 x 4.2
Calibrated Size
No
Type of Cut
Modified PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
Deep Intense Chrome 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
$237.01
$320.00
Item Number
Gemstone
Genuine Chrome Tourmaline
Origin
Kenya
Weight (ct)
1.64 ct
Dimensions (mm)
9.0 x 5.9 x 5.6 mm
Calibrated Size
No
Type of Cut
Modified Radiant PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
Bright Chrome 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
$195.12
$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
$195.00
Item Number
Gemstone
Colombianite
Weight (ct)
8.11 ct
Dimensions (mm)
15.3 x 11.7 x 9.6
Calibrated Size
No
Type of Cut
Custom Designed CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Walnut-Mahogany
Clarity
Transparent, clean
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
$24.04
Item Number
Gemstone
Color Change Garnet
Origin
Kenya
Weight (ct)
1.24 ct
Dimensions (mm)
8.8 x 5.4 x 4.0
Calibrated Size
No
Type of Cut
Custom Designed PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
Blue-Purplish to Purple-Pink
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
$2,854.84
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
$220.00
Item Number
Gemstone
Alexandrite Effect Color Change Garnet
Origin
Africa
Weight (ct)
0.21 ct
Dimensions (mm)
3.7 x 2.7 x 2.6
Calibrated Size
No
Type of Cut
Custom Designed Octagon
Cutter
Faceted by Ravenstein Gem Co.
Color
as photographed
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
$1,047.62

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