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54 available Gems

$300.00
Item Number
Gemstone
Amethyst
Origin
Bahia State, Brazil
Weight (ct)
12.18 ct
Dimensions (mm)
17.0 x 12.0 x 9.1
Calibrated Size
No
Type of Cut
Custom Designed CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Purple-Lavender
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
$24.63
$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
$135.00
Item Number
Gemstone
Black Spinel
Origin
Central Arizona, USA
Weight (ct)
6.14 ct
Dimensions (mm)
14.5 x 10.0 x 4.7
Calibrated Size
No
Type of Cut
Pear 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
$21.99
$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
$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
$195.00
Item Number
Gemstone
Confetti Sunstone
Origin
Tanzania, Africa
Weight (ct)
8.47 ct
Dimensions (mm)
25.0 x 11.4 x 4.2
Type of Cut
Pear 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
$23.02
Item Number
Gemstone
Dichroic Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
0.46 ct
Dimensions (mm)
5.9 x 3.9 x 2.8
Calibrated Size
Yes
Type of Cut
Radiant OCTAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Green with Peach 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
$86.96
Item Number
Gemstone
Dichroic Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
0.69 ct
Dimensions (mm)
7.9 x 6.3 x 3.6
Calibrated Size
No
Type of Cut
Custom Designed Fan
Cutter
Faceted by Ravenstein Gem Co.
Color
Light Green to 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
$50.72

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