Shop

1943 available Gems

$140.00
Item Number
Gemstone
Amethyst
Origin
Bahia State, Brazil
Weight (ct)
5.09 ct
Dimensions (mm)
13.1 x 9.7 x 8.1
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
$27.50
$135.00
Item Number
Gemstone
Padparadscha Malaya Garnet
Origin
Africa
Weight (ct)
0.70 ct
Dimensions (mm)
5.0 x 4.7 x 3.5
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
$192.86
$195.00
Item Number
Gemstone
Padparadscha Malaya Garnet
Origin
Africa
Weight (ct)
0.92 ct
Dimensions (mm)
6.1 x 5.4 x 4.0
Calibrated Size
No
Type of Cut
Custom Designed TRIANGLE
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
$211.96
$220.00
Item Number
Gemstone
Dragon Garnet - Color Change Fluorescent Chromium-Vanadium Malaya
Origin
Africa
Weight (ct)
0.44 ct
Dimensions (mm)
4.3 x 4.3 x 3.0
Calibrated Size
Yes
Type of Cut
Custom Designed Radiant SQUARE, Custom Designed TRIANGLE
Cutter
Faceted by Ravenstein Gem Co.
Color
stone changes color to neon pink red under 395 UV
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Clarity
Transparent with some blue Apatite and other inclusions
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
$500.00
$300.00
Item Number
Gemstone
Danburite
Origin
La Aurora mine, Charcas, San Luis Potosรญ, Mexico
Weight (ct)
10.10 ct
Dimensions (mm)
13.0 x 10.4 x 9.8
Calibrated Size
No
Type of Cut
Custom Designed Rectangle
Cutter
Faceted by Ravenstein Gem Co.
Color
Slight Pink 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
$29.70
Item Number
Gemstone
Tourmaline Tropical Sunset
Origin
Malkhan, Russia
Weight (ct)
2.61 ct
Dimensions (mm)
9.6 x 6.3 x 4.9
Calibrated Size
No
Type of Cut
Custom Designed Octagon
Cutter
Chris Fafoutis - USA
Color
as photographed / video
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
$367.43
$1,300.00
Item Number
Gemstone
Alexandrite Effect Color Change Garnet
Origin
Africa
Weight (ct)
0.96 ct
Dimensions (mm)
7.2 x 6.4 x 3.9
Calibrated Size
No
Type of Cut
Custom Designed PENDELOQUE
Cutter
faceted by Nick Brevig - USA
Color
as photographed / video
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
$1,354.17
$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
$490.00
Item Number
Gemstone
Dragon Garnet - Color Change Fluorescent Chromium-Vanadium Malaya
Origin
Africa
Weight (ct)
0.99 ct
Dimensions (mm)
6.1 x 6.0 x 3.9
Calibrated Size
Yes
Type of Cut
Custom Designed TRIANGLE
Cutter
Faceted by Ravenstein Gem Co.
Color
stone changes color to neon pink red under 395 UV
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
$494.95
Item Number
Gemstone
Natural Untreated St. Anne Blue Topaz
Origin
Saint Anne Mine, Rhodesia / Zimbabwe
Weight (ct)
231.20 ct
Dimensions (mm)
54 x 30 x 25
Color
Rich Sky Blue
Clarity
Transparent with Tourmaline crystals
Treatment
None
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
$1.42

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