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3 available Gems

Item Number
Gemstone
Natural Untreated Blue Topaz
Origin
Nigeria, Africa
Weight (ct)
1.59 ct
Dimensions (mm)
7.5 x 5.8 x 4.9
Calibrated Size
No
Type of Cut
Modified SHIELD
Cutter
Faceted by Ravenstein Gem Co.
Color
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
$40.25
$170.00
Item Number
Gemstone
Natural Untreated Blue Topaz
Origin
Nigeria, Africa
Weight (ct)
7.83 ct
Dimensions (mm)
15.2 x 9.7 x 8.2
Calibrated Size
No
Type of Cut
Custom Designed MARQUISE
Cutter
Faceted by Ravenstein Gem Co.
Color
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
$21.71
$135.00
Item Number
Gemstone
Natural Untreated Topaz
Origin
Nigeria, Africa
Weight (ct)
4.37 ct
Dimensions (mm)
13.1 x 6.6 x 7.1
Calibrated Size
No
Type of Cut
Modified 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
$30.89

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Ravenstein Gem Co. LLC 2026 ©
Made By a Peanut
JOGS TUCSON GEM SHOW
Where:
Tucson Expo Center, Booth #E324
When:
September 3 - 6, 2026

Find more details here.