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1886 available Gems

$134.00$87.10
Item Number
Gemstone
Polar Demantoid
Origin
Polar region, Russia
Weight (ct)
54.85 ct
Color
Pastel Mint Green
Shape
Natural Alluvial Crystals โ€“ Mineral specimen grade
Clarity
Semi-translucent / semi-transparent with horsetail inclusions, semi carving / cabochon grade
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
$1.59
Item Number
Gemstone
Black Leopard Opal
Origin
Zimapan, Mexico
Weight (ct)
9.92 ct
Dimensions (mm)
15.2 mm Diameter x 6.2
Calibrated Size
No
Type of Cut
ROUND Cabochon
Cutter
cut by Ravenstein Gem Co.
Color
Play of Colors no. 6
Treatment
None

* 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
$15.93
Item Number
Gemstone
Peridot
Origin
Arizona, USA
Weight (ct)
1.95 ct
Dimensions (mm)
11.0 x 6.7 x 4.8
Calibrated Size
No
Type of Cut
Modified Radiant PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
Apple Green
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation

* 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
$38.97
Item Number
Gemstone
Natural Unheated Parti Sapphire
Origin
Kenya
Weight (ct)
1.48 ct
Dimensions (mm)
9.7 x 6.0 x 4.2
Calibrated Size
No
Type of Cut
Custom Designed PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
Blue-Green-Teal
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
$246.62
Item Number
Gemstone
Natural Unheated Parti Sapphire
Origin
Kenya
Weight (ct)
1.13 ct
Dimensions (mm)
6.8 x 5.2 x 3.6
Calibrated Size
No
Type of Cut
Half Moon Brilliant
Cutter
Faceted by Ravenstein Gem Co.
Color
Green Yellow Bluish
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
$331.86
35% SALE
$350.00$227.50
Item Number
Gemstone
Natural Untreated Parti Sapphire
Origin
Kenya
Weight (ct)
1.54 ct
Dimensions (mm)
10.3 x 6.6 x 4.3
Calibrated Size
No
Type of Cut
Custom Designed PENDELOQUE
Cutter
Faceted by Ravenstein Gem Co.
Color
Deep Blue-Green-Teal and Touch of 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
$147.73
Item Number
Gemstone
Tourmaline Tropical Sunset
Origin
Malkhan, Russia
Weight (ct)
1.65 ct
Dimensions (mm)
7.7 mm Diameter x 5.3
Calibrated Size
Yes
Type of Cut
Custom Designed ROUND
Cutter
Faceted by Ravenstein Gem Co.
Color
Incredible Blend of Purple and Hot Pink with Orange and Violet Flashes
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation

* 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
$256.36
Item Number
Gemstone
Malkhan Tourmaline Rubellite
Origin
Malkhan, Russia
Weight (ct)
3.74 ct
Dimensions (mm)
9.6 x 9.6 x 7.0
Calibrated Size
No
Type of Cut
Custom Designed Radiant TRILLION
Cutter
Faceted by Ravenstein Gem Co.
Color
Intense 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
$192.51
Item Number
Gemstone
Umbalite Pyralspite Garnet
Origin
Eastern Africa
Weight (ct)
3.21 ct
Dimensions (mm)
10.3 x 9.5 x 6.3
Calibrated Size
No
Type of Cut
Custom Designed Fan
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
$87.54
Item Number
Gemstone
Seafoam-Peacock Green Dichroic Schiller Oregon Sunstone
Origin
PANA Mine, Little Eagle Butte, Oregon, USA
Weight (ct)
6.87 ct
Dimensions (mm)
17.2 x 8.5 x 7.6
Calibrated Size
No
Type of Cut
Custom Designed Rhomboid
Cutter
Faceted by Ravenstein Gem Co.
Color
Seafoam Green-Peacock Green-Teal with Peach Dichroic Flashes/Shift and Slight Sleepy 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
$91.12

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