Shop

1921 available Gems

$94.00
Item Number
Gemstone
Gold Green Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
2.45 ct
Dimensions (mm)
14.4 x 8.2 x 5.4
Calibrated Size
No
Type of Cut
Custom Designed Radiant THUNDERBIRD
Cutter
Faceted by Ravenstein Gem Co.
Color
Gold-Greenish
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
$38.37
$250.00
Item Number
Gemstone
Multicolor Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
3.87 ct
Dimensions (mm)
17.7 x 6.9 x 6.2
Calibrated Size
No
Type of Cut
Custom Designed MARQUISE
Cutter
Faceted by Ravenstein Gem Co.
Color
Pink-Peach-Gold Body with Greenish Flashes and Orange Fire at Both Ends, Touch od 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
$64.60
$230.00
Item Number
Gemstone
Dichroic Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
2.43 ct
Dimensions (mm)
9.6 x 7.5 x 5.9
Calibrated Size
No
Type of Cut
Custom Designed CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Green Gold Pink 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
$94.65
Item Number
Gemstone
Dichroic Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
2.42 ct
Dimensions (mm)
11.3 x 7.9 x 5.6
Calibrated Size
No
Type of Cut
Modified SHIELD Brilliant
Cutter
Faceted by Ravenstein Gem Co.
Color
Champagne-Green-Gold
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
$47.11
$945.00
Item Number
Gemstone
Tourmaline Rubellite
Origin
Congo, Africa
Weight (ct)
2.46 ct
Dimensions (mm)
10.6 x 8.0 x 5.5
Calibrated Size
No
Type of Cut
Modified MARQUISE
Cutter
faceted by Wahid Mottaghian-Germany
Color
Pink with Orangey flashes
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
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
$384.15
$169.00
Item Number
Gemstone
Montebrasite
Origin
Brazil
Weight (ct)
2.30 ct
Dimensions (mm)
10.2 x 8.4 x 4.7
Calibrated Size
No
Type of Cut
TRILLION Brilliant
Cutter
native cut-Brazil / quality of cut - good
Color
Very Light Gold
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
Notes

Extremely rare gemstone! For knowledgeable collectors and rarity hunters.

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
$73.48
Item Number
Gemstone
Danburite
Origin
La Aurora mine, Charcas, San Luis Potosรญ, Mexico
Weight (ct)
69.64 ct
Dimensions (mm)
26.2 x 15.7 x 14.7
Color
Pink Tint
Shape
Sawed rough
Clarity
Transparent with some natural flaws and inclusions, partially facet grade, top collector grade
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
$1.28
Item Number
Gemstone
Natural Untreated St. Anne Blue Topaz
Origin
Saint Anne Mine, Rhodesia / Zimbabwe
Weight (ct)
150.80 ct
Dimensions (mm)
40 x 23.9 x 22
Color
Rich Sky Blue
Clarity
Transparent, semi facet / cabochon / top collector grade
Treatment
None
Notes

The St.Anne mine in Zimbabwe was closed 2 years ago.

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
$2.98
Item Number
Gemstone
Ametrine
Origin
Bolivia
Weight (ct)
124.0 ct
Dimensions (mm)
38 x 30 x 32
Color
Purple-Yellow
Shape
Natural etched crystal, top quality specimen
Clarity
Mostly transparent with some natural flaws
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
$1.26
Item Number
Gemstone
Pyralspite Garnet
Origin
Eastern Africa
Weight (ct)
2.21 ct
Dimensions (mm)
8.9 x 6.8 x 5.2
Calibrated Size
No
Type of Cut
Modified Radiant Shield
Cutter
Faceted by Ravenstein Gem Co.
Color
Magenta-Hot 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
$61.09

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