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Item Number
Gemstone
Natural Untreated St. Anne Blue Topaz
Origin
Saint Anne Mine, Rhodesia / Zimbabwe
Weight (ct)
90.10 ct
Dimensions (mm)
29.5 x 24.1 x 17
Color
Rich Sky Blue
Clarity
Facet / cabochon / top collector grade
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
$3.87
$299.00
Item Number
Gemstone
Natural Untreated Topaz
Origin
Nigeria, Africa
Weight (ct)
11.23 ct
Dimensions (mm)
12.3/12.5 x 9.0/9.4 x 6.9/6.8
Calibrated Size
No
Type of Cut
Custom Designed Shield
Cutter
Faceted by Ravenstein Gem Co.
Color
Diamond-like - Colorless, Slight 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
$26.63
$325.00
Item Number
Gemstone
Natural Untreated Topaz
Origin
Nigeria, Africa
Weight (ct)
12.19 ct
Dimensions (mm)
10.0 x 8.0 x 8.4 and 9.9 x 7.5 x 8.3 mm
Calibrated Size
No
Type of Cut
Custom Designed Rectangle
Cutter
Faceted by Ravenstein Gem Co.
Color
Light Pastel Blue Greenish
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
$26.66
$338.00
Item Number
Gemstone
Natural Untreated Topaz
Origin
Nigeria, Africa
Weight (ct)
12.23 ct
Dimensions (mm)
13.9 x 15.0 x 9.8
Calibrated Size
No
Type of Cut
Custom Designed Shield
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
$27.64
$170.00
Item Number
Gemstone
Natural Untreated Topaz
Origin
Nigeria, Africa
Weight (ct)
7.05 ct
Dimensions (mm)
9.1/9.1 mm Diameter x 6.2/6.2
Calibrated Size
Yes
Type of Cut
Custom Designed POLYGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Very Very Light 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
$24.11
$220.00
Item Number
Gemstone
Natural Untreated Topaz
Origin
Nigeria, Africa
Weight (ct)
8.47 ct
Dimensions (mm)
11.2/10.8 x 11.2/10.7 x 6.2/6.3
Calibrated Size
No
Type of Cut
Custom Designed TRILLION
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
$25.97
$250.00
Item Number
Gemstone
Natural Untreated Yellow Imperial Topaz
Origin
W. Africa
Weight (ct)
1.66 ct
Dimensions (mm)
7.6 x 6.4 x 4.8
Calibrated Size
No
Type of Cut
Custom Designed OVAL
Cutter
Faceted by Ravenstein Gem Co.
Color
Pastel Gold Yellow
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
$150.60
$390.00
Item Number
Gemstone
Natural Untreated Yellow Imperial Topaz
Origin
W. Africa
Weight (ct)
2.47 ct
Dimensions (mm)
7.8 x 7.7 x 5.8
Calibrated Size
No
Type of Cut
Custom Designed Square CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Yellow-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
$157.89
$380.00
Item Number
Gemstone
Natural Untreated Yellow Imperial Topaz
Origin
W. Africa
Weight (ct)
2.87 ct
Dimensions (mm)
8.4 x 8.3 x 6.3
Calibrated Size
No
Type of Cut
Custom Designed TRILLION
Cutter
Faceted by Ravenstein Gem Co.
Color
Pastel Gold Yellow
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
$132.40
$525.00
Item Number
Gemstone
Natural Untreated Yellow Imperial Topaz
Origin
W. Africa
Weight (ct)
3.03 ct
Dimensions (mm)
8.5 mm diameter x 6.0
Calibrated Size
No
Type of Cut
Custom Designed Round Brilliant
Cutter
Faceted by Ravenstein Gem Co.
Color
Yellow-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
$173.27

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