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$840.00
Item Number
Gemstone
Natural Untreated Parti Sapphire
Origin
Kenya
Weight (ct)
1.89 ct
Dimensions (mm)
8.8 x 6.4 x 4.6
Calibrated Size
No
Type of Cut
Custom Designed PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
Blue Greenish with Slight Schiller
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
$444.44
$496.00
Item Number
Gemstone
Natural Untreated Parti Sapphire
Origin
Kenya
Weight (ct)
2.22 ct
Dimensions (mm)
9.7 x 5.8 x 4.1
Calibrated Size
No
Type of Cut
Radiant OCTAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Deep Blue Green
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
$223.42
$3,300.00
Item Number
Gemstone
Natural Untreated Parti Sapphire
Origin
Kenya
Weight (ct)
3.12 ct
Dimensions (mm)
10.9 x 7.6 x 5.3
Calibrated Size
No
Type of Cut
Custom Designed PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
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
$1,057.69
Item Number
Gemstone
Natural Tourmaline
Origin
Zambia
Weight (ct)
3.56 ct
Dimensions (mm)
7.5/7.7 x 6.2/6.2 x 4.7/5.3
Calibrated Size
No
Type of Cut
Modified Radiant RECTANGLE
Cutter
faceted by Ravenstein Gem Co., EU
Color
Rich Neon Green with Green-Orange Flashes/Shift
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
$126.12
Item Number
Gemstone
Tourmaline Rubellite
Origin
Malawi, Africa
Weight (ct)
1.65 ct
Dimensions (mm)
11.8 x 6.6 x 4.0
Calibrated Size
No
Type of Cut
Custom Designed PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
Hot Pink-Lavender
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
$175.76
Item Number
Gemstone
Tourmaline Rubellite
Origin
Congo, Africa
Weight (ct)
2.48 ct
Dimensions (mm)
12.0 x 5.6 x 4.4
Calibrated Size
No
Type of Cut
Step Cut OCTAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Pastel Pink-Orange
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
$118.95
$240.00
Item Number
Gemstone
Natural Tourmaline
Origin
Congo, Africa
Weight (ct)
1.12 ct
Dimensions (mm)
7.6 x 7.5 x 4.5
Calibrated Size
No
Type of Cut
Custom Designed TRILLION
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
$214.29
$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
$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
Item Number
Gemstone
Natural Untreated Yellow Imperial Topaz
Origin
W. Africa
Weight (ct)
7.82 ct
Dimensions (mm)
13.6 x 10.3 x 7.9
Calibrated Size
No
Type of Cut
Custom Designed Radiant Half Moon
Cutter
Faceted by Ravenstein Gem Co.
Color
Yellow with Gold Flashes. Strong shift to Pink-Lavender under long UV light.
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
$185.42

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

Find more details here.