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1923 available Gems

$150.00
Item Number
Gemstone
Natural Zircon
Origin
Tanzania, Africa
Weight (ct)
3.54 ct
Dimensions (mm)
13.3 x 7.9 x 4.6
Calibrated Size
No
Type of Cut
Custom Designed PENDELOQUE
Cutter
Faceted by Ravenstein Gem Co.
Color
Champagne 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
$42.37
$150.00
Item Number
Gemstone
Colombianite
Origin
Colombia
Weight (ct)
4.86 ct
Dimensions (mm)
9.5/9.4 x 7.6/7.6 x 6.6/6.8
Calibrated Size
No
Type of Cut
Custom Designed Octagon
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
$30.86
$130.00
Item Number
Gemstone
Sphene / Titanite
Origin
Madagascar
Weight (ct)
2.20 ct
Dimensions (mm)
8.7 x 6.4 x 5.1
Calibrated Size
No
Type of Cut
Custom Designed CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Yellow-Green
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Clarity
P2 - many inclusions, low price
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
$59.09
$400.00
Item Number
Gemstone
Danburite
Origin
La Aurora mine, Charcas, San Luis Potosรญ, Mexico
Weight (ct)
11.88 ct
Dimensions (mm)
14.0 x 13.8 x 10.6
Calibrated Size
Yes
Type of Cut
Custom Designed Square CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Pink Tint
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
Notes

Amazing scintillation and fire due to perfect cutting and very high refractive index and light dispersion.

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
$33.67
$135.00
Item Number
Gemstone
Colombianite
Origin
Colombia
Weight (ct)
4.25 ct
Dimensions (mm)
10.2/10.2 x 8.3/7.8 x 6.3/6.4
Calibrated Size
No
Type of Cut
Modified MARQUISE
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
$31.76
$175.00
Item Number
Gemstone
Dichroic Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
1.30 ct
Dimensions (mm)
9.8 x 6.1 x 4.5
Calibrated Size
No
Type of Cut
Modified MARQUISE
Cutter
Faceted by Ravenstein Gem Co.
Color
Green to Pink 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
$134.62
$280.00
Item Number
Gemstone
Danburite
Origin
La Aurora mine, Charcas, San Luis Potosรญ, Mexico
Weight (ct)
9.86 ct
Dimensions (mm)
16.6 x 11.3 x 9.6
Calibrated Size
No
Type of Cut
Custom Designed PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
Pink Tint
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
Notes

Amazing scintillation and fire due to perfect cutting and very high refractive index and light dispersion.

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
$28.40
$340.00
Item Number
Gemstone
Natural Tourmaline
Origin
Congo, Africa
Weight (ct)
1.70 ct
Dimensions (mm)
9.0 x 6.6 x 5.1
Calibrated Size
No
Type of Cut
Custom Designed MARQUISE
Cutter
Faceted by Ravenstein Gem Co.
Color
Pink-Lavender-Orangey
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
$200.00
Item Number
Gemstone
Cordierite / Iolite
Origin
Tanzania, Africa
Weight (ct)
1.67 ct
Dimensions (mm)
8.4 x 6.6 x 5.0
Calibrated Size
No
Type of Cut
Custom Designed Shield
Cutter
Faceted by Ravenstein Gem Co.
Color
"Tanzanite" Blue-Purple with Dichroic Shift to Gold-Grey and Pastel Blue
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
$41.92
$156.00
Item Number
Gemstone
Natural Untreated Zircon
Origin
Russia
Weight (ct)
1.92 ct
Dimensions (mm)
7.0 x 6.9 x 4.6
Calibrated Size
Yes
Type of Cut
Modified ROUND
Cutter
Faceted by Ravenstein Gem Co.
Color
Deep Red 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
$81.25

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