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1923 available Gems

$158.00
Item Number
Gemstone
Natural Untreated Spinel
Origin
Mozambique
Weight (ct)
0.41 ct
Dimensions (mm)
4.7 x 4.6 x 2.7
Calibrated Size
No
Type of Cut
Custom Designed Square CUSHION
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
$385.37
Item Number
Gemstone
Pyralspite Garnet
Origin
Eastern Africa
Weight (ct)
19.81 ct
Dimensions (mm)
18.8 x 12.5 x 7.4
Color
as photographed
Shape
Natural Rough
Clarity
Transparent, Facet 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
$7.98
$155.00
Item Number
Gemstone
Natural Untreated Spinel
Origin
Mozambique
Weight (ct)
0.40 ct
Dimensions (mm)
4.9 x 4.2 x 2.7
Calibrated Size
No
Type of Cut
Custom Designed CUSHION
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
$387.50
$252.00
Item Number
Gemstone
Natural Blue Sapphire
Origin
Rwanda, Africa
Weight (ct)
2.72 ct
Dimensions (mm)
9.8 x 7.8 x 3.3
Type of Cut
Pear Cabochon
Cutter
cut by Ravenstein Gem Co.
Color
Blue
Clarity
Transparent with natural flaws
Tone / Saturation

* 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
$92.65
Item Number
Gemstone
Pyralspite Garnet
Origin
Eastern Africa
Weight (ct)
21.41 ct
Dimensions (mm)
19 x 14 x 10
Color
as photographed
Shape
Natural Rough
Clarity
Transparent, Facet 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
$7.85
$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
$1,970.00
Item Number
Gemstone
Natural Untreated Sapphire
Origin
Mozambique
Weight (ct)
1.85 ct
Dimensions (mm)
7.7 x 5.8 x 5.0
Calibrated Size
No
Type of Cut
Custom Designed CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Pastel Green Blue Gold
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Clarity
Flawless with rutile needle inclusions
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
$1,064.86
$425.00
Item Number
Gemstone
Color Change Pastel Pyrope Garnet
Origin
Morogoro, Southern Tanzania
Weight (ct)
1.57 ct
Dimensions (mm)
7.5 x 7.4 x 4.7
Calibrated Size
No
Type of Cut
Custom Designed Shield
Cutter
Faceted by Ravenstein Gem Co.
Color
Color changes from vivid pastel lavender purple (neutral white light/daylight, 5000K) to light pastel rose pink (warm light 2700K).
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
$270.70
$72.00
Item Number
Gemstone
Natural Zircon
Origin
Nigeria, Africa
Weight (ct)
1.89 ct
Dimensions (mm)
9.7 x 7.4 x 4.3
Calibrated Size
No
Type of Cut
Custom Designed TRIANGLE
Cutter
Faceted by Ravenstein Gem Co.
Color
Walnut-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
$38.10

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