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65 available Gems

Item Number
Gemstone
Natural Untreated Sapphire
Origin
Tanzania, Africa
Weight (ct)
10.74 ct
Dimensions (mm)
as photographed / video
Color
Mixture of red, orange, purple, yellow-green and ruby red
Shape
Very Small River-worn Pebbles
Clarity
Transparent, mostly clean
Treatment
None
Tone / Saturation
Notes

Very small pieces of rough

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
$3.72
Item Number
Gemstone
Natural Untreated Sapphire
Origin
Tanzania, Africa
Weight (ct)
10.77 ct
Dimensions (mm)
as photographed / video
Color
Mixture of red, orange, purple, yellow-green and ruby red
Shape
Very Small River-worn Pebbles
Clarity
Transparent, mostly clean
Treatment
None
Tone / Saturation
Notes

Very small pieces of rough

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
$3.71
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
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
$909.00
Item Number
Gemstone
Natural Unheated Blue Sapphire
Origin
Kenya
Weight (ct)
1.61 ct
Dimensions (mm)
7.2 x 7.2 x 4.5
Calibrated Size
Yes
Type of Cut
Custom Designed TRILLION
Cutter
Faceted by Ravenstein Gem Co.
Color
Blue with Very Slight Greenish Overtone
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
$564.60
$520.00
Item Number
Gemstone
Natural Unheated Blue Sapphire
Origin
Malawi, Africa
Weight (ct)
0.64 ct
Dimensions (mm)
5.6 x 5.1 x 3.3
Calibrated Size
No
Type of Cut
Custom Designed Shield
Cutter
Faceted by Ravenstein Gem Co.
Color
Medium 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
$812.50
$665.00
Item Number
Gemstone
Natural Unheated Blue Sapphire
Origin
Malawi, Africa
Weight (ct)
0.73 ct
Dimensions (mm)
5.5 x 5.1 x 3.5
Calibrated Size
No
Type of Cut
Custom Designed CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Medium 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
$910.96
$155.00
Item Number
Gemstone
Natural Unheated Blue Sapphire
Origin
Rwanda, Africa
Weight (ct)
0.36 ct
Dimensions (mm)
5.1 x 3.7 x 2.7
Calibrated Size
No
Type of Cut
Custom Designed MARQUISE
Cutter
Faceted by Ravenstein Gem Co.
Color
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
$430.56
$282.00
Item Number
Gemstone
Natural Unheated Blue Sapphire
Origin
Rwanda, Africa
Weight (ct)
0.50 ct
Dimensions (mm)
5.3 x 4.8 x 2.9
Calibrated Size
No
Type of Cut
Modified TRILLION
Cutter
Faceted by Ravenstein Gem Co.
Color
Medium 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
$564.00
$290.00
Item Number
Gemstone
Natural Unheated Blue Sapphire
Origin
Rwanda, Africa
Weight (ct)
0.56 ct
Dimensions (mm)
6.1 x 4.2 x 3.1
Calibrated Size
Yes
Type of Cut
Custom Designed MARQUISE
Cutter
Faceted by Ravenstein Gem Co.
Color
Cornflower 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
$517.86

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