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1934 available Gems

Item Number
Gemstone
Natural Untreated Sapphire
Origin
Tanzania, Africa
Weight (ct)
11.15 ct
Dimensions (mm)
as photographed / video
Color
Mostly Green Blue and Yellow-Green
Shape
Very Small River-worn Pebbles
Clarity
Transparent, mostly clean, facet grade
Treatment
None
Tone / Saturation
Notes

Facet grade. Will yield small ring sized gems.

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
$6.91
$170.00
Item Number
Gemstone
Danburite
Origin
La Aurora mine, Charcas, San Luis Potosí, Mexico
Weight (ct)
147.90 ct
Dimensions (mm)
36.4 x 30.5 x 21
Color
Pink Tint
Shape
Fully terminated twin-crystal in perfect shape and form without any surface damage
Clarity
Fully terminated twin-crystal in perfect shape and form without any surface damage
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
$1.15
Item Number
Gemstone
Natural Tourmaline
Origin
Nigeria, Africa
Weight (ct)
0.71 ct
Dimensions (mm)
5.9 x 5.9 x 3.9
Calibrated Size
Yes
Type of Cut
Custom Designed TRILLION
Cutter
faceted by Ravenstein Gem Co., EU
Color
Green Yellowish
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
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
$104.23
Item Number
Gemstone
Natural Untreated Sapphire
Origin
Tanzania, Africa
Weight (ct)
11.42 ct
Dimensions (mm)
as photographed / video
Color
Mostly Green Blue and Yellow-Green
Shape
Very Small River-worn Pebbles
Clarity
Transparent, mostly clean, facet grade
Treatment
None
Tone / Saturation
Notes

Facet grade. Will yield small ring sized gems.

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
$6.92
$125.00
Item Number
Gemstone
Tourmaline Verdelite
Origin
Oyo State, Nigeria
Weight (ct)
3.99 ct
Dimensions (mm)
11.2 x 7.1 x 5.5
Calibrated Size
No
Type of Cut
Modified Emerald Cut Octagon
Cutter
Faceted by Ravenstein Gem Co.
Color
Olive Oil Green (closed C-axis)
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
$31.33
$380.00
Item Number
Gemstone
Dichroic Schiller Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
4.79 ct
Dimensions (mm)
12.0 x 9.4 x 7.2
Calibrated Size
No
Type of Cut
Split Mains OVAL Brilliant
Cutter
Faceted by Ravenstein Gem Co.
Color
Blend of Green and Pink-Walnut with Touch of 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
$79.33
Item Number
Gemstone
Natural Tourmaline
Origin
Nigeria, Africa
Weight (ct)
0.67 ct
Dimensions (mm)
6.8 x 5.7 x 3.9
Calibrated Size
No
Type of Cut
Custom Designed Fan
Cutter
faceted by Ravenstein Gem Co., EU
Color
Olive Green-Yellow
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
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
$107.46
$70.00
Item Number
Gemstone
Natural Zircon
Origin
Tanzania, Africa
Weight (ct)
1.91 ct
Dimensions (mm)
10.5 x 6.3 x 4.2
Calibrated Size
No
Type of Cut
Custom Designed PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
Walnut-Peach-Mahogany
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
$36.65
$127.00
Item Number
Gemstone
Dichroic Tourmaline
Origin
Kenya
Weight (ct)
1.09 ct
Dimensions (mm)
Green with Yellow Flashes
Calibrated Size
No
Type of Cut
Modified TRILLION
Cutter
faceted by Ravenstein Gem Co., EU
Color
Green with Yellow Flashes
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
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
$116.51
$175.00
Item Number
Gemstone
Dichroic Schiller Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
5.05 ct
Dimensions (mm)
10.6 x 10.6 x 6.7
Calibrated Size
No
Type of Cut
Radiant Square OCTAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Pastel Olive Green to Pink and Slight Silky 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
$34.65

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