Shop

1886 available Gems

$103.00
Item Number
Gemstone
Amethyst
Origin
Bahia State, Brazil
Weight (ct)
4.19 ct
Dimensions (mm)
10.8 x 8.8 x 7.9
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
$24.58
$256.00
Item Number
Gemstone
Dragon Garnet - Color Change Fluorescent Chromium-Vanadium Malaya
Origin
Eastern Africa
Weight (ct)
0.46 ct
Dimensions (mm)
5.1 x 3.8 x 3.0
Calibrated Size
No
Type of Cut
Custom Designed OVAL
Cutter
faceted by Masterpiece Collective - Nick Brevig (USA)
Color
as photographed
Clarity
Transparent
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
$556.52
$1,100.00
Item Number
Gemstone
Red Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
6.57 ct
Dimensions (mm)
16.3 x 11.9 x 7.2
Calibrated Size
No
Type of Cut
Modified PENDELOQUE
Cutter
Faceted by Ravenstein Gem Co.
Color
Red with Orange-Pink Flashes
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
$167.43
$1,560.00
Item Number
Gemstone
Natural Unheated Tourmaline Rubellite
Origin
Congo, Africa
Weight (ct)
7.72 ct
Dimensions (mm)
16.5 x 7.7 x 7.4
Calibrated Size
No
Type of Cut
Custom Designed Radiant OCTAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Pink-Red-Orangey
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Clarity
VVS2 - a small feather at the corner, will not be visible when set in jewelry
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
$202.07
$1,260.00
Item Number
Gemstone
Demantoid Garnet
Origin
Ural Mountains, Russia
Weight (ct)
0.72 ct
Dimensions (mm)
6.6 x 4.8 x 3.3
Calibrated Size
No
Type of Cut
Custom Designed OVAL
Cutter
faceted by Masterpiece Collective - Nick Brevig (USA)
Color
Grass-Mint Green
Clarity
Transparent with perfect horsetail inclusion.
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
$1,750.00
Item Number
Gemstone
Schiller Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
8.57 ct
Dimensions (mm)
16.8 x 11.0 x 7.6
Calibrated Size
No
Type of Cut
Custom Designed Shield
Cutter
Faceted by Ravenstein Gem Co.
Color
Peach-Orange with A(+1) 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
$54.84
$212.00
Item Number
Gemstone
Amethyst
Origin
Bahia State, Brazil
Weight (ct)
8.89 ct
Dimensions (mm)
14.0 x 13.7 x 9.7
Calibrated Size
Yes
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
$23.85
$1,790.00
Item Number
Gemstone
Demantoid Garnet
Origin
Ural Mountains, Russia
Weight (ct)
0.935 ct
Dimensions (mm)
7.1 x 4.8 x 3.1
Calibrated Size
Yes
Type of Cut
Custom Designed OVAL
Cutter
faceted by Masterpiece Collective - Nick Brevig (USA)
Color
Grass-Apple Green
Clarity
Transparent with textbook perfect horsetail inclusion
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
$1,914.44
$1,800.00
Item Number
Gemstone
Demantoid Garnet
Origin
Ural Mountains, Russia
Weight (ct)
0.95 ct
Dimensions (mm)
5.8 mm Diameter x 3.7
Calibrated Size
Yes
Type of Cut
Custom Designed ROUND
Cutter
faceted by Masterpiece Collective - Nick Brevig (USA)
Color
Grass-Apple Green
Clarity
Transparent with textbook perfect horsetail inclusions
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
$1,894.74
Item Number
Gemstone
Color Change Pastel Pyrope Garnet
Origin
Morogoro, Southern Tanzania
Weight (ct)
2.25 ct
Dimensions (mm)
10.3 x 7.9 x 4.5
Calibrated Size
No
Type of Cut
Custom Designed Shield
Cutter
Faceted by Ravenstein Gem Co.
Color
Color changes from vivid pastel lavender purple (neutral white light/daylight, 5000K) to light pastel rose pink (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
$317.78

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