Shop

Item Number
Gemstone
Color Change Purple Garnet
Origin
Tanzania, Africa
Weight (ct)
4.79 ct
Dimensions (mm)
11.8 x 7.9 x 5.7
Calibrated Size
No
Type of Cut
Custom Designed Shield
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
$172.44
Item Number
Gemstone
Color Change Purple Garnet
Origin
Tanzania, Africa
Weight (ct)
1.83 ct
Dimensions (mm)
9.1 x 7.0 x 4.3
Calibrated Size
No
Type of Cut
Radiant SHIELD
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

* 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
$161.20
Item Number
Gemstone
Color Change Purple Garnet
Origin
Tanzania, Africa
Weight (ct)
1.96 ct
Dimensions (mm)
7.8 x 7.5 x 5.1
Calibrated Size
No
Type of Cut
Custom Designed Shield
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
$186.22
$120.00
Item Number
Gemstone
Contra Luz Opal
Origin
Mexico
Weight (ct)
3.39 ct
Dimensions (mm)
13.5 x 9.0 x 6.4
Calibrated Size
No
Type of Cut
Custom Designed OVAL
Cutter
Faceted by Ravenstein Gem Co.
Color
as photographed
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
$35.40
Item Number
Gemstone
Copper Red-Orange-Red Schiller Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
12.09 ct
Dimensions (mm)
20.0 x 16.0 x 9.5
Calibrated Size
No
Type of Cut
Custom Designed Fan
Cutter
Faceted by Ravenstein Gem Co.
Color
Red-Orange-Copper Red with B (O) Copper Schiller
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
$95.12
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
$160.00
Item Number
Gemstone
Crimson Garnet
Origin
Malawi, Africa
Weight (ct)
7.58 ct
Dimensions (mm)
12.1 mm Diameter x 7.5
Calibrated Size
Yes
Type of Cut
ROUND Brilliant
Cutter
Faceted by Ravenstein Gem Co.
Color
Deep Red-Hot Pink overtone
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
$21.11
$119.00
Item Number
Gemstone
Crimson Garnet
Origin
Umba River, Tanzania
Weight (ct)
5.04 ct
Dimensions (mm)
14.8 x 9.0 x 5.7
Calibrated Size
No
Type of Cut
PEAR Brilliant
Cutter
Sven - EU
Color
Red with Purplish Overtone
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
$23.61
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)
1.19 ct
Dimensions (mm)
7.5 mm Diameter x 4.2
Calibrated Size
No
Type of Cut
ROUND 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
$46.22

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