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1922 available Gems

$98.00
Item Number
Gemstone
Amethyst
Origin
Bahia State, Brazil
Weight (ct)
3.44 ct
Dimensions (mm)
11.5 x 9.1 x 6.3
Calibrated Size
No
Type of Cut
Custom Designed CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Purple-Lavender
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
$28.49
$145.00
Item Number
Gemstone
Amethyst
Origin
Bahia State, Brazil
Weight (ct)
5.50 ct
Dimensions (mm)
11.4 x 11.4 x 7.7
Calibrated Size
No
Type of Cut
Custom Designed Radiant SQUARE
Cutter
Faceted by Ravenstein Gem Co.
Color
Purple-Lavender
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
$26.36
$500.00
Item Number
Gemstone
Natural Tourmaline
Origin
Zambia
Weight (ct)
3.34 ct
Dimensions (mm)
6.9/7.0 x 6.8/7.0 x 5.4/4.8
Calibrated Size
Yes
Type of Cut
Custom Designed Radiant SQUARE
Cutter
Faceted by Ravenstein Gem Co.
Color
Bright Green-Yellow-Charteuse
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
$149.70
$90.00
Item Number
Gemstone
Amethyst
Origin
Bahia State, Brazil
Weight (ct)
3.17 ct
Dimensions (mm)
10.2 x 10.2 x 6.6
Calibrated Size
Yes
Type of Cut
Custom Designed TRIANGLE
Cutter
Faceted by Ravenstein Gem Co.
Color
Purple-Lavender
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
$28.39
$228.00
Item Number
Gemstone
Orange Pink Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
2.32 ct
Dimensions (mm)
10.8 x 6.4 x 5.0
Calibrated Size
No
Type of Cut
Custom Designed Octagon
Cutter
Faceted by Ravenstein Gem Co.
Color
Orange-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
$98.28
$49,600.00
Item Number
Gemstone
Demantoid Garnet
Origin
Ural Mountains, Russia
Weight (ct)
12.72 ct
Dimensions (mm)
16.2 x 10.8 x 5.8
Calibrated Size
No
Type of Cut
Combination Cut by John Dyer
Cutter
cut by John Dyer-USA
Color
Apple GREEN with YELLOWISH Overtone
Clarity
Transparent with heavy horsetail inclusion
Treatment
None
Notes

Investment grade gemstone. Contact: katerina@ravensteingemco.com or ask@johndyergems.com

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
$3,899.37
$105.00
Item Number
Gemstone
Padparadscha Malaya Garnet
Origin
Africa
Weight (ct)
0.52 ct
Dimensions (mm)
5.0 x 3.9 x 3.1
Calibrated Size
No
Type of Cut
Custom Designed Octagon
Cutter
Faceted by Ravenstein Gem Co.
Color
Orange with Red-Pink Overtone
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
$201.92
$136.00
Item Number
Gemstone
Padparadscha Malaya Garnet
Origin
Africa
Weight (ct)
0.71 ct
Dimensions (mm)
5.4 x 4.8 x 3.4
Calibrated Size
No
Type of Cut
Custom Designed CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Orange with Red-Pink Overtone
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
$191.55
$840.00
Item Number
Gemstone
Amethyst
Origin
Bahia State, Brazil
Weight (ct)
33.30 ct
Dimensions (mm)
26.5 x 18.7 x 14.7
Calibrated Size
No
Type of Cut
Custom Designed MARQUISE
Cutter
Faceted by Ravenstein Gem Co.
Color
Purple-Lavender with some natural color zoning
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
$25.23
$89.00
Item Number
Gemstone
Turquoise
Origin
Royal Blue Mine, Royston, Nevada
Weight (ct)
15.45 ct
Dimensions (mm)
20 x 14.5 x 5.7
Calibrated Size
No
Type of Cut
Free Form Cabochon
Cutter
Chris Rose-USA
Color
as photographed
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
$5.76

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