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24 available Gems

$145.00
Item Number
Gemstone
Black Spinel
Origin
Central Arizona, USA
Weight (ct)
10.11 ct
Dimensions (mm)
13.4 x 12.0 x 6.5
Calibrated Size
No
Type of Cut
Oval Cabochon
Cutter
cut by Ravenstein Gem Co.
Color
Black
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
$14.34
$175.00
Item Number
Gemstone
Black Spinel
Origin
Central Arizona, USA
Weight (ct)
11.0 ct
Dimensions (mm)
15.0 x 12.1 x 6.4
Calibrated Size
No
Type of Cut
Oval Cabochon
Cutter
cut by Ravenstein Gem Co.
Color
Black
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
$15.91
$170.00
Item Number
Gemstone
Black Spinel
Origin
Central Arizona, USA
Weight (ct)
8.55 ct
Dimensions (mm)
14.7 x 11.4 x 6.0
Calibrated Size
No
Type of Cut
Oval Cabochon
Cutter
cut by Ravenstein Gem Co.
Color
Black
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
$19.88
Item Number
Gemstone
Black Spinel
Origin
Central Arizona, USA
Weight (ct)
9.62 ct
Dimensions (mm)
12.9 x 11.8 x 6.5
Calibrated Size
No
Type of Cut
Oval Cabochon
Cutter
cut by Ravenstein Gem Co.
Color
Black
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
$14.55
$58.00
Item Number
Gemstone
Cat's Eye Bytownite
Origin
Mexico
Weight (ct)
2.77 ct
Dimensions (mm)
11.7 x 8.3 x 4.1
Calibrated Size
No
Type of Cut
Oval Cabochon
Cutter
Miro - EU
Color
Light Gold with Gold-Silver Chatoyancy
Clarity
Transparent
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
$20.94
$135.00
Item Number
Gemstone
Confetti Sunstone
Origin
Tanzania, Africa
Weight (ct)
5.77 ct
Dimensions (mm)
16.2 x 9.9 x 4.9 mm
Type of Cut
Oval Cabochon
Cutter
faceted by Nick Brevig - USA
Color
Semi Transparent Base with Multi-Colored Hematite Particles of Schiller
Clarity
Semi transparent with some natural flaws
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
$23.40
Item Number
Gemstone
Crystal Opal
Origin
Welo, Ethiopia
Weight (ct)
0.54 ct
Dimensions (mm)
7.4 x 6.1 x 2.3
Calibrated Size
No
Type of Cut
Oval Cabochon
Cutter
cut by Ravenstein Gem Co.
Color
Multicolor
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
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
$55.56
Item Number
Gemstone
Crystal Opal
Origin
Welo, Ethiopia
Weight (ct)
1.81 ct
Dimensions (mm)
10.0 x 8.2 x 4.2
Calibrated Size
Yes
Type of Cut
Oval Cabochon
Cutter
cut by Ravenstein Gem Co.
Color
Multicolor
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
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
$43.65
$110.00
Item Number
Gemstone
Crystal Opal
Origin
Welo, Ethiopia
Weight (ct)
2.74 ct
Dimensions (mm)
13.8 x 9.0 x 4.1
Calibrated Size
No
Type of Cut
Oval Cabochon
Cutter
cut by Ravenstein Gem Co.
Color
Multicolor
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
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
$40.15
$138.00
Item Number
Gemstone
Crystal Opal
Origin
Welo, Ethiopia
Weight (ct)
4.36 ct
Dimensions (mm)
15.7 x 9.8 x 6.1
Calibrated Size
No
Type of Cut
Oval Cabochon
Cutter
cut by Ravenstein Gem Co.
Color
Play of colors 10 / 10
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
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
$31.65

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