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12 available Gems

Item Number
Gemstone
Color Change Purple Garnet
Origin
Tanzania, Africa
Weight (ct)
2.76 ct
Dimensions (mm)
11.8 x 8.2 x 5.0
Calibrated Size
No
Type of Cut
Custom Designed Fan
Cutter
Faceted by Ravenstein Gem Co.
Color
Purple (cold light 7000K) Grape-Purplish (neutral white light 5000K) Orange-Red (warm light 2700K)
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
$173.91
$63.00
Item Number
Gemstone
Danburite
Origin
La Aurora mine, Charcas, San Luis Potosí, Mexico
Weight (ct)
1.74 ct
Dimensions (mm)
6.0/6.0 mm Diameter x 4.2/4.0
Calibrated Size
Yes
Type of Cut
Custom Designed ROUND
Cutter
Faceted by Ravenstein Gem Co.
Color
Pink Tint / near colorless
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Clarity
Eye Clean
Treatment
None
Tone / Saturation
Notes

Amazing scintillation and fire due to perfect cutting and very high refractive index and light dispersion.

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
$36.21
$72.00
Item Number
Gemstone
Danburite
Origin
La Aurora mine, Charcas, San Luis Potosí, Mexico
Weight (ct)
2.01 ct
Dimensions (mm)
6.4/6.3 mm Diameter x 4.7/4.5
Calibrated Size
No
Type of Cut
Custom Designed ROUND
Cutter
Faceted by Ravenstein Gem Co.
Color
Pink Tint / near colorless
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Clarity
Eye Clean
Treatment
None
Tone / Saturation
Notes

Amazing scintillation and fire due to perfect cutting and very high refractive index and light dispersion.

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
$35.82
$266.00
Item Number
Gemstone
Danburite
Origin
La Aurora mine, Charcas, San Luis Potosí, Mexico
Weight (ct)
9.93 ct
Dimensions (mm)
10.2/10.2 x 8.8/8.8 x 7.1/6.8
Calibrated Size
No
Type of Cut
Custom Designed Rectangle
Cutter
Faceted by Ravenstein Gem Co.
Color
Slight Pink Tint
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
Notes

Amazing scintillation and fire due to perfect cutting and very high refractive index and light dispersion.

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
$26.79
Item Number
Gemstone
Green-Peach-Pink Schiller Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
6.02 ct
Dimensions (mm)
12.4 x 9.3 x 8.1
Calibrated Size
No
Type of Cut
45° Stepped Crown OCTAGON Barion Pavilion
Cutter
Faceted by Ravenstein Gem Co.
Color
Green-Peach-Pink with Semi Sleepy Copper Schiller
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
Notes

Precision faceting, for jewelry!

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
$64.78
$585.00
Item Number
Gemstone
Dichroic Schiller Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
6.05 ct
Dimensions (mm)
15.0 x 8.7 x 6.6
Calibrated Size
No
Type of Cut
Custom Designed Octagon
Cutter
Faceted by Ravenstein Gem Co.
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
$96.69
Item Number
Gemstone
Gold Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
5.83 ct
Dimensions (mm)
15.0 x 11.2 x 7.0
Calibrated Size
No
Type of Cut
Modified Oval Brilliant
Cutter
Faceted by Ravenstein Gem Co.
Color
Pastel GOLD
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
$20.58
Item Number
Gemstone
Emerald Green Dichroic Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
2.71 ct
Dimensions (mm)
10.7 x 10.0 x 6.7
Calibrated Size
No
Type of Cut
Modified Radiant FAN
Cutter
Faceted by Ravenstein Gem Co.
Color
Intense Emerald Green with Peach Dichroic Shift
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
Notes

Rarest and most valued color ever discovered. Perfect for high-end jewelry.

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
$239.85
$180.00
Item Number
Gemstone
Montebrasite
Origin
Brazil
Weight (ct)
2.78 ct
Dimensions (mm)
8.2/8.2 x 6.3/6.2 x 4.2/3.8
Calibrated Size
Yes
Type of Cut
OVAL Brilliant
Cutter
native cut-Brazil / quality of cut - good
Color
Very Light Gold
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
Notes

Extremely rare gemstone! For knowledgeable collectors and rarity hunters.

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
$64.75
Item Number
Gemstone
Peach-Yellow Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
8.58 ct
Dimensions (mm)
17.0 x 11.0 x 8.7
Calibrated Size
No
Type of Cut
Custom Designed Half Moon
Cutter
Faceted by Ravenstein Gem Co.
Color
Peach-Gold-Yellow
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
Notes

Perfect faceting, for top jewelry!

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
$34.73

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Ravenstein Gem Co. LLC 2026 ©
Made By a Peanut
JOGS TUCSON GEM SHOW
Where:
Tucson Expo Center, Booth #E324
When:
September 3 - 6, 2026

Find more details here.