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$1,640.00
Item Number
Gemstone
Tourmaline Rubellite
Origin
Congo, Africa
Weight (ct)
4.75 ct
Dimensions (mm)
10.5 x 10.3 x 8.3
Calibrated Size
No
Type of Cut
Custom Designed Fan
Cutter
faceted by Masterpiece Collective - Nick Brevig (USA)
Color
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
$345.26
$125.00
Item Number
Gemstone
Malkhan Tourmaline Rubellite
Origin
Malkhan, Russia
Weight (ct)
0.51 ct
Dimensions (mm)
5.7 x 5.6 x 3.4
Calibrated Size
No
Type of Cut
Custom Designed TRILLION
Cutter
Faceted by Ravenstein Gem Co.
Color
Pink with Peach Flashes
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
$245.10
$160.00
Item Number
Gemstone
Malkhan Tourmaline Rubellite
Origin
Malkhan, Russia
Weight (ct)
0.56 ct
Dimensions (mm)
5.2 x 5.1 x 3.7
Calibrated Size
No
Type of Cut
Custom Designed CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Pink with Peach Flashes
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
$285.71
$165.00
Item Number
Gemstone
Malkhan Tourmaline Rubellite
Origin
Malkhan, Russia
Weight (ct)
0.63 ct
Dimensions (mm)
7.0 x 4.7 x 3.6
Calibrated Size
No
Type of Cut
Custom Designed MARQUISE
Cutter
Faceted by Ravenstein Gem Co.
Color
Purple Pink with Peach Flashes
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
$261.90
$180.00
Item Number
Gemstone
Malkhan Tourmaline Rubellite
Origin
Malkhan, Russia
Weight (ct)
0.71 ct
Dimensions (mm)
6.5 x 4.2 x 3.9
Calibrated Size
No
Type of Cut
Custom Designed CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Purple Pink with Peach Flashes
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
$253.52
$885.00
Item Number
Gemstone
Tourmaline Tropical Sunset
Origin
Malkhan, Russia
Weight (ct)
3.51 ct
Dimensions (mm)
11.9 x 7.0 x 5.4
Calibrated Size
No
Type of Cut
Radiant OCTAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Pastel Lavender with Strong Rose Pink-Lavender Flashes
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
$252.14
$407.00
Item Number
Gemstone
Umbalite Garnet
Origin
Eastern Africa
Weight (ct)
3.63 ct
Dimensions (mm)
12.3 x 7.4 x 5.4
Calibrated Size
No
Type of Cut
Custom Designed PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
Magenta-Hot Pink
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
$112.12
$295.00
Item Number
Gemstone
Umbalite Garnet
Origin
Eastern Africa
Weight (ct)
4.32 ct
Dimensions (mm)
11.7 x 9.3 x 6.1
Calibrated Size
No
Type of Cut
Modified PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
Hot Pink-Magenta
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
$68.29
$195.00
Item Number
Gemstone
Umbalite Malaya Garnet
Origin
Eastern Africa
Weight (ct)
1.97 ct
Dimensions (mm)
9.3 x 6.9 x 4.9
Calibrated Size
No
Type of Cut
Custom Designed Shield
Cutter
Faceted by Ravenstein Gem Co.
Color
Hot Purple-Pink
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
$98.98

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

Find more details here.