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31 available Gems

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
$690.00
Item Number
Gemstone
Natural Unheated Parti Sapphire
Origin
Kenya
Weight (ct)
2.56 ct
Dimensions (mm)
10.4 x 6.7 x 5.5
Calibrated Size
No
Type of Cut
Custom Designed Shield
Cutter
Faceted by Ravenstein Gem Co.
Color
Blue-Green
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Clarity
VS1 + schiller
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
$269.53
$180.00
Item Number
Gemstone
Natural Unheated Parti Sapphire
Origin
Kenya
Weight (ct)
2.68 ct
Dimensions (mm)
11.7 x 6.7 x 5.4
Calibrated Size
No
Type of Cut
Custom Designed PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
Very Deep Blue-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
$67.16
$150.00
Item Number
Gemstone
Obsidian
Origin
Nevada, USA
Weight (ct)
28.74 ct
Dimensions (mm)
27.1 x 15.0 x 7.6
Calibrated Size
No
Type of Cut
Cabochon Tunnel
Cutter
cut by Ravenstein Gem Co.
Color
Black-Gray
Clarity
Translucent
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
$5.22
Item Number
Gemstone
Pyrope Almandine
Origin
Umba River, Tanzania
Weight (ct)
4.31 ct
Dimensions (mm)
13.6 x 6.1 x 4.9
Calibrated Size
No
Type of Cut
Stepped Cut RECTANGLE
Cutter
Miro - EU
Color
Deep Wine Red
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
$18.56
Item Number
Gemstone
Pyrope Almandine
Origin
Umba River, Tanzania
Weight (ct)
3.67 ct
Dimensions (mm)
8.4 x 6.5 x 4.5
Calibrated Size
No
Type of Cut
OVAL Brilliant
Cutter
Miro - EU
Color
Deep Wine Red + Very Deep Wine Red
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
$25.89
Item Number
Gemstone
Pyrope Almandine
Origin
Umba River, Tanzania
Weight (ct)
6.89 ct
Dimensions (mm)
9.1 mm Diameter x 6.2
Calibrated Size
Yes
Type of Cut
Concave ROUND Brilliant
Cutter
Joerg - EU
Color
Deep Wine Red
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation
Notes

Jewelry / collector matching pair


* 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
$17.13
Item Number
Gemstone
Rhodolite Garnet
Origin
Umba River, Tanzania
Weight (ct)
4.03 ct
Dimensions (mm)
9.6 mm Diameter x 5.9
Calibrated Size
No
Type of Cut
ROUND Brilliant
Cutter
Faceted by Ravenstein Gem Co.
Color
Deep RED
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
$11.91
$40.00
Item Number
Gemstone
Saffordite
Origin
Safford, Arizona, USA
Weight (ct)
1.80 ct
Dimensions (mm)
7.7 mm Diameter x 4.2
Calibrated Size
No
Type of Cut
ROUND Cabochon
Cutter
cut by Ravenstein Gem Co.
Color
Gray with Stripes
Clarity
Semi Transparent
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
$22.22
$230.00
Item Number
Gemstone
Saffordite
Origin
Safford, Arizona, USA
Weight (ct)
10.39 ct
Dimensions (mm)
16.3 x 12.4 x 7.4
Calibrated Size
No
Type of Cut
Oval Cabochon
Cutter
cut by Ravenstein Gem Co.
Color
Blackish
Clarity
Translucent
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
$22.14

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