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12 available Gems

$150.00
Item Number
Gemstone
Tourmaline Rubellite
Origin
Zambia
Weight (ct)
1.22 ct
Dimensions (mm)
8.4 x 5.8 x 4.1
Type of Cut
Modified OVAL
Cutter
Faceted by Ravenstein Gem Co.
Color
Rich Vivid 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
$122.95
$230.00
Item Number
Gemstone
Natural Untreated Tourmaline
Origin
Zambia
Weight (ct)
1.58 ct
Dimensions (mm)
8.4 x 6.8 x 4.8
Type of Cut
Custom Designed OVAL
Cutter
Faceted by Ravenstein Gem Co.
Color
Rose Pink-Purple-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
$145.57
$250.00
Item Number
Gemstone
Natural Untreated Tourmaline
Origin
Zambia
Weight (ct)
1.75 ct
Dimensions (mm)
8.2 x 6.9 x 5.3
Type of Cut
Custom Designed OVAL
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
$142.86
Item Number
Gemstone
Tourmaline Verdelite
Origin
Zambia
Weight (ct)
1.30 ct
Dimensions (mm)
7.8 x 6.7 x 4.2
Type of Cut
Custom Designed CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Deep Lime 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
$80.77
$120.00
Item Number
Gemstone
Natural Untreated Tourmaline
Origin
Mozambique
Weight (ct)
1.50 ct
Dimensions (mm)
7.4 mm Diameter x 4.6
Type of Cut
Modified ROUND
Cutter
Faceted by Ravenstein Gem Co.
Color
Green 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
$80.00
Item Number
Gemstone
Natural Untreated Tourmaline
Origin
Mozambique
Weight (ct)
2.77 ct
Dimensions (mm)
9.7 x 7.1 x 5.4
Type of Cut
Radiant OCTAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Light Pastel Champagne
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
$104.69
Item Number
Gemstone
Natural Untreated Tourmaline
Origin
Mozambique
Weight (ct)
3.59 ct
Dimensions (mm)
12.3 x 6.6 x 4.9
Type of Cut
Modified CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Slight Greenish-Slight Straw 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
$107.24
$2,360.00
Item Number
Gemstone
Natural Untreated Tourmaline
Origin
Mozambique
Weight (ct)
4.80 ct
Dimensions (mm)
17.8 x 5.8 x 5.0
Type of Cut
Custom Designed Octagon
Cutter
faceted by Nick Brevig - USA
Color
Green-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
$491.67
$125.00
Item Number
Gemstone
Natural Untreated Tourmaline
Origin
Malawi, Africa
Weight (ct)
1.14 ct
Dimensions (mm)
5.7 x 5.1 x 4.4
Type of Cut
Step Cut OCTAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Orange-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
$109.65
Item Number
Gemstone
Natural Untreated Tourmaline
Origin
Malawi, Africa
Weight (ct)
1.66 ct
Dimensions (mm)
7.2 x 5.3 x 5.0
Type of Cut
Step Cut CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Yellow-Cinnamon with Lavender Flashes - extremely unique color
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
$295.18

Discover a gem as unique as you are.

Step into a world of rare beauty

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.