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$135.00
Item Number
Gemstone
Natural Untreated Yellow Sapphire
Origin
Kenya
Weight (ct)
0.31 ct
Dimensions (mm)
3.8 x 3.8 x 2.7
Calibrated Size
Yes
Type of Cut
Custom Designed Octagon
Cutter
Faceted by Ravenstein Gem Co.
Color
Yellow Gold
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
$435.48
$270.00
Item Number
Gemstone
Natural Untreated Yellow Sapphire
Origin
Kenya
Weight (ct)
0.67 ct
Dimensions (mm)
3.8 x 3.8 x 2.7
Calibrated Size
Yes
Type of Cut
Custom Designed ROUND
Cutter
Faceted by Ravenstein Gem Co.
Color
Yellow Gold
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
$402.99
$180.00
Item Number
Gemstone
Natural Untreated Yellow Topaz
Origin
W. Africa
Weight (ct)
1.47 ct
Dimensions (mm)
7.1 x 6.1 x 4.7
Calibrated Size
No
Type of Cut
Custom Designed Shield
Cutter
Faceted by Ravenstein Gem Co.
Color
Pastel Yellow-Gold
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
$122.45
$300.00
Item Number
Gemstone
Natural Untreated Yellow Topaz
Origin
W. Africa
Weight (ct)
2.39 ct
Dimensions (mm)
8.8 x 7.5 x 5.4
Calibrated Size
No
Type of Cut
Custom Designed OVAL
Cutter
Faceted by Ravenstein Gem Co.
Color
Pastel Yellow-Gold
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
$125.52
Item Number
Gemstone
Natural Zircon
Origin
Tanzania, Africa
Weight (ct)
25.40 ct
Dimensions (mm)
14 x 9.5 x 7.4
Color
as photographed
Shape
Natural Rough
Clarity
Transparent, Facet 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
$6.10
Item Number
Gemstone
Natural Zircon
Origin
Sri Lanka
Weight (ct)
2.56 ct
Dimensions (mm)
13.2 x 5.8 x 4.2
Calibrated Size
No
Type of Cut
Marquise Brilliant
Cutter
faceted by Ravenstein Gem Co., EU
Color
Mahogany-Walnut-Cinnamon
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
$31.25
$180.00
Item Number
Gemstone
Natural Zircon
Origin
Malawi, Africa
Weight (ct)
5.83 ct
Dimensions (mm)
15.8 x 9.7 x 6.0
Calibrated Size
No
Type of Cut
Custom Designed Fan
Cutter
Faceted by Ravenstein Gem Co.
Color
Champagne 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
$30.87
$90.00
Item Number
Gemstone
Natural Zircon
Origin
Tanzania, Africa
Weight (ct)
2.36 ct
Dimensions (mm)
8.3 x 6.1 x 4.7
Calibrated Size
No
Type of Cut
Modified Radiant Shield
Cutter
Faceted by Ravenstein Gem Co.
Color
Mahogany-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
$38.14
$1,390.00
Item Number
Gemstone
Oregon Schiller Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
14.10 ct
Dimensions (mm)
18.3 x 13.0 x 9.2
Calibrated Size
No
Type of Cut
Custom Designed Shield
Cutter
Faceted by Ravenstein Gem Co.
Color
Red-Bronze-Orangey, Touch of Green-Gold and Copper 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
$98.58
Item Number
Gemstone
Walnut Greenish Oregon SUNSTONE
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
2.12 ct
Dimensions (mm)
12.6 x 5.1 x 4.4
Calibrated Size
No
Type of Cut
Modified OCTAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Pastel Walnut 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
$38.68

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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.