Shop

1923 available Gems

$1,855.00
Item Number
Gemstone
Demantoid Garnet
Origin
Ural Mountains, Russia
Weight (ct)
0.86 ct
Dimensions (mm)
6.9 x 5.7 x 3.2
Calibrated Size
No
Type of Cut
Custom Designed CUSHION
Cutter
precisely faceted by Byron Lashway - USA
Color
Vivid Apple Green with Yellowish Overtone
Clarity
Transparent with some horsetail inclusion
Treatment
None
Notes

This demantoid comes with a Gem Identification Report from Craig Lynch, GG with Ouellet and Lynch.

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
$2,156.98
$300.00
Item Number
Gemstone
Imperial Malaya Garnet
Origin
Tanzania, Africa
Weight (ct)
1.32 ct
Dimensions (mm)
6.3 mm Diameter x 4.5 mm
Calibrated Size
Yes
Type of Cut
Custom Designed ROUND
Cutter
Faceted by Ravenstein Gem Co.
Color
Beautiful Peach-Pink-Orange
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
$227.27
$360.00
Item Number
Gemstone
Demantoid Garnet
Origin
Ural Mountains, Russia
Weight (ct)
0.45 ct
Dimensions (mm)
4.6 mm diameter x 3.0
Calibrated Size
No
Type of Cut
Standard Round Brilliant
Cutter
Faceted by Ravenstein Gem Co.
Color
Vivid Apple Green
Clarity
Transparent with some horsetail inclusion
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
$800.00
$1,050.00
Item Number
Gemstone
Green-Orange Dichroic Schiller Oregon Sunstone
Origin
PANA Mine, Little Eagle Butte, Oregon, USA
Weight (ct)
6.68 ct
Dimensions (mm)
16.0 x 12.0 x 6.9
Calibrated Size
No
Type of Cut
Custom Designed LOZENGE
Cutter
Faceted by Ravenstein Gem Co.
Color
Green with Slight Teal Overtone and Pink-Orange Dichroic Flashes/Shift and Slight C(-2) 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
$157.19
$242.00
Item Number
Gemstone
Peach-Copper-Pink Schiller Oregon Sunstone
Origin
PANA Mine, Little Eagle Butte, Oregon, USA
Weight (ct)
6.11 ct
Dimensions (mm)
16.8 x 8.8 x 7.3
Calibrated Size
No
Type of Cut
Custom Designed CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Peach-Copper-Pink with Slight Copper Schiller and Some Schiller Plane Lines
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
$39.61
Item Number
Gemstone
Dichroic Schiller Oregon Sunstone
Origin
PANA Mine, Little Eagle Butte, Oregon, USA
Weight (ct)
4.46 ct
Dimensions (mm)
16.5 x 8.9 x 6.6
Calibrated Size
No
Type of Cut
Custom Designed MARQUISE
Cutter
Faceted by Ravenstein Gem Co.
Color
Deep Chrome Green-Teal with Slight Sleepy 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
$189.46
$550.00
Item Number
Gemstone
Natural Untreated Parti Sapphire
Origin
Kenya
Weight (ct)
1.27 ct
Dimensions (mm)
7.3 x 5.0 x 2.7
Calibrated Size
No
Type of Cut
Modified CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Deep Blue with Greenish Overtone and 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
$433.07
$325.00
Item Number
Gemstone
Imperial Malaya Garnet
Origin
Tanzania, Africa
Weight (ct)
1.44 ct
Dimensions (mm)
6.9 mm Diameter x 4.6
Calibrated Size
Yes
Type of Cut
Custom Designed ROUND
Cutter
Faceted by Ravenstein Gem Co.
Color
Beautiful Peach-Pink-Orange
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
$225.69
$425.00
Item Number
Gemstone
Natural Unheated Blue Sapphire
Origin
Kenya
Weight (ct)
0.90 ct
Dimensions (mm)
5.6 mm Diameter x 4.0
Calibrated Size
No
Type of Cut
Custom Designed ROUND
Cutter
Faceted by Ravenstein Gem Co.
Color
Deep Blue
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
$472.22
$173.00
Item Number
Gemstone
Spessartine-Mandarin Garnet
Origin
Tanzania, Africa
Weight (ct)
0.98 ct
Dimensions (mm)
6.7 x 6.1 x 3.6
Calibrated Size
No
Type of Cut
Custom Designed Shield
Cutter
Faceted by Ravenstein Gem Co.
Color
Intense Fanta Orange
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
$176.53

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