Shop

1923 available Gems

$130.00
Item Number
Gemstone
Natural Untreated Parti Sapphire
Origin
Kenya
Weight (ct)
0.31 ct
Dimensions (mm)
7.4 x 3.6 x 2.5
Calibrated Size
No
Type of Cut
Custom Designed LOZENGE
Cutter
Faceted by Ravenstein Gem Co.
Color
Green Bluish
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
$419.35
Item Number
Gemstone
Danburite
Origin
La Aurora mine, Charcas, San Luis Potosí, Mexico
Weight (ct)
2.29 ct
Dimensions (mm)
9.2 x 5.5 x 5.7
Calibrated Size
No
Cutter
Faceted by Ravenstein Gem Co.
Color
Pink Tint / near colorless
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
$25.33
$230.00
Item Number
Gemstone
Topazolite
Origin
Ural Mountains, Russia
Weight (ct)
0.30 ct
Dimensions (mm)
3.3/3.3 mmdiameter x 2.1/2.0
Calibrated Size
Yes
Type of Cut
ROUND Brilliant
Cutter
cut in Russia
Color
Yellow Cinnamon
Clarity
Eye clean with occasional 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
$766.67
$182.00
Item Number
Gemstone
Amethyst
Origin
Uruguay
Weight (ct)
5.11 ct
Dimensions (mm)
9.1/8.9 mm Diameter x 7.0/6.4
Calibrated Size
Yes
Type of Cut
Custom Designed ROUND
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
$35.62
Item Number
Gemstone
Oregon Sunstone bead
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
2.51 ct
Dimensions (mm)
7 mm Diameter
Calibrated Size
No
Type of Cut
Faceted Sphere / Bead (undrilled)
Cutter
Custom work-Sri Lanka
Color
Gold Base with Perfect Touch of Copper Schiller
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
$27.89
$150.00
Item Number
Gemstone
Colombianite
Origin
Colombia
Weight (ct)
4.70 ct
Dimensions (mm)
8.7/8.9 x 8.6/8.9 x 6.6/6.6
Calibrated Size
No
Type of Cut
Custom Designed HEXAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Walnut-Mahogany
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
$31.91
$375.00
Item Number
Gemstone
Natural Untreated Blue Topaz
Origin
Nigeria, Africa
Weight (ct)
13.89 ct
Dimensions (mm)
12.5/13.4 x 10.3/10.2 x 7.7/7.4
Calibrated Size
No
Type of Cut
Custom Designed Half Moon
Cutter
Faceted by Ravenstein Gem Co.
Color
Bluish Tint
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
$27.00
$150.00
Item Number
Gemstone
Multicolor Schiller Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
1.87 ct
Dimensions (mm)
9.0 x 7.0 x 5.3
Calibrated Size
Yes
Type of Cut
OVAL Brilliant
Cutter
Faceted by Ravenstein Gem Co.
Color
Pastel Green, Champagne and Pinkish, Slight 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
$80.21
$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

Discover a gem as unique as you are.

Step into a world of rare beauty

Ravenstein Gem Co. LLC 2026 ©
Made By a Peanut