Shop

1953 available Gems

$146.00
Item Number
Gemstone
Amethyst
Origin
Bahia State, Brazil
Weight (ct)
5.52 ct
Dimensions (mm)
12.4 x 12.3 x 7.8
Calibrated Size
No
Type of Cut
Custom Designed POLYGON
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
$26.45
$190.00
Item Number
Gemstone
Amethyst
Origin
Bahia State, Brazil
Weight (ct)
7.81 ct
Dimensions (mm)
13.4 x 13.2 x 9.1
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
$24.33
$183.00
Item Number
Gemstone
Amethyst
Origin
Bahia State, Brazil
Weight (ct)
6.70 ct
Dimensions (mm)
14.0 x 9.4 x 7.3
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
$27.31
$159.00
Item Number
Gemstone
Amethyst
Origin
Bahia State, Brazil
Weight (ct)
6.06 ct
Dimensions (mm)
12.6 x 12.6 x 8.1
Calibrated Size
No
Type of Cut
Custom Designed POLYGON
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
$26.24
Item Number
Gemstone
Oregon Schiller Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
4.77 ct
Dimensions (mm)
15.2 x 8.8 x 6.3
Calibrated Size
No
Type of Cut
Custom Designed Rhomboid
Cutter
Faceted by Ravenstein Gem Co.
Color
Gold-Walnut Base with 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
$27.67
$320.00
Item Number
Gemstone
Demantoid Garnet
Origin
Ural Mountains, Russia
Weight (ct)
0.54 ct
Dimensions (mm)
4.5 mm Diameter x 3.4
Calibrated Size
No
Type of Cut
Custom Designed ROUND
Cutter
Faceted by Ravenstein Gem Co.
Color
Green with Yellow Overtone
Clarity
Transparent with a beautiful 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
$592.59
Item Number
Gemstone
Malkhan Tourmaline Rubellite
Origin
Malkhan, Russia
Weight (ct)
1.64 ct
Dimensions (mm)
8.1 x 7.8 x 5.1
Calibrated Size
No
Type of Cut
Modified Radiant TRILLION
Cutter
Faceted by Ravenstein Gem Co.
Color
Lavender-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
$189.02
$200.00
Item Number
Gemstone
Malkhan Tourmaline Rubellite
Origin
Malkhan, Russia
Weight (ct)
0.90 ct
Dimensions (mm)
7.7 x 5.1 x 3.7
Calibrated Size
No
Type of Cut
RHOMBOID Brilliant
Cutter
Faceted by Ravenstein Gem Co.
Color
Neon Pink-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
$222.22
$220.00
Item Number
Gemstone
Malkhan Tourmaline Rubellite
Origin
Malkhan, Russia
Weight (ct)
1.04 ct
Dimensions (mm)
7.0 x 5.5 x 3.8
Calibrated Size
No
Type of Cut
Radiant OCTAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Pink-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
$211.54
$550.00
Item Number
Gemstone
Tourmaline Tropical Sunset
Origin
Malkhan, Russia
Weight (ct)
2.26 ct
Dimensions (mm)
10.6 x 5.7 x 4.6
Calibrated Size
No
Type of Cut
Step Cut OCTAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Magenta-Violet-Orange-Peach
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
$243.36

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