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36 available Gems

$115.00
Item Number
Gemstone
Amethyst
Origin
Bahia State, Brazil
Weight (ct)
4.49 ct
Dimensions (mm)
11.0 x 10.8 x 8.1
Calibrated Size
No
Type of Cut
Custom Designed TRILLION
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
$25.61
$335.00
Item Number
Gemstone
Color Change Purple Garnet
Origin
Tanzania, Africa
Weight (ct)
1.85 ct
Dimensions (mm)
7.5 x 5.8 x 4.9
Calibrated Size
No
Type of Cut
Custom Designed CUSHION
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
$181.08
Item Number
Gemstone
Color Change Purple Garnet
Origin
Tanzania, Africa
Weight (ct)
0.86 ct
Dimensions (mm)
9.2 x 6.1 x 3.8
Calibrated Size
No
Type of Cut
Custom Designed KITE
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
$139.53
Item Number
Gemstone
Green-Copper Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
6.75 ct
Dimensions (mm)
13.8 x 9.1 x 8.5
Calibrated Size
No
Type of Cut
Stepped Crown OCTAGON Barion Pavilion
Cutter
Faceted by Ravenstein Gem Co.
Color
Green-Teal with Peach-Copper Dichroic Flashes
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
Notes

Top investment / jewelry 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
$140.00
$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
Dragon Garnet - Color Change Fluorescent Chromium-Vanadium Malaya
Origin
Africa
Weight (ct)
0.68 ct
Dimensions (mm)
6.1 x 6.1 x 3.5
Calibrated Size
Yes
Type of Cut
Custom Designed TRILLION
Cutter
Faceted by Ravenstein Gem Co.
Color
as photographed / stone changes color to neon pink under 395 UV
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
$485.29
Item Number
Gemstone
Dragon Garnet - Color Change Fluorescent Chromium-Vanadium Malaya
Origin
Africa
Weight (ct)
0.87 ct
Dimensions (mm)
8.2 x 6.3 x 4.0
Calibrated Size
No
Type of Cut
Custom Designed LOZENGE
Cutter
Faceted by Ravenstein Gem Co.
Color
as photographed / stone changes color to neon pink under 395 UV
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
$574.71
Item Number
Gemstone
Dragon Garnet - Color Change Fluorescent Chromium-Vanadium Malaya
Origin
Africa
Weight (ct)
0.89 ct
Dimensions (mm)
6.2 x 6.1 x 4.3
Calibrated Size
Yes
Type of Cut
Custom Designed TRILLION
Cutter
Faceted by Ravenstein Gem Co.
Color
as photographed // stone changes color to wine red - pink under 395 UV
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
$219.10
Item Number
Gemstone
Dragon Garnet - Color Change Fluorescent Chromium-Vanadium Malaya
Origin
Africa
Weight (ct)
0.96 ct
Dimensions (mm)
5.9 x 4.5 x 4.1
Calibrated Size
No
Type of Cut
Custom Designed Octagon
Cutter
Faceted by Ravenstein Gem Co.
Color
stone changes color to pink red under 395 UV
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
$468.75
Item Number
Gemstone
Dragon Garnet - Color Change Fluorescent Chromium-Vanadium Malaya
Origin
Africa
Weight (ct)
1.08 ct
Dimensions (mm)
7.2 x 4.9 x 3.4
Calibrated Size
Yes
Type of Cut
Custom Designed Radiant OCTAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
as photographed / stone changes color to red pink under 395 UV
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
$370.37

Discover a gem as unique as you are.

Step into a world of rare beauty

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

Find more details here.