Shop

1923 available Gems

$72.00
Item Number
Gemstone
Natural Untreated Blue Topaz
Origin
Nigeria, Africa
Weight (ct)
3.08 ct
Dimensions (mm)
8.5 mm Diameter x 6.4
Calibrated Size
No
Type of Cut
Custom Designed ROUND
Cutter
Faceted by Ravenstein Gem Co.
Color
Very Light Pastel 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
$23.38
$50.00
Item Number
Gemstone
Aquamarine
Origin
Malawi, Africa
Weight (ct)
0.96 ct
Dimensions (mm)
7.1 x 6.0 x 4.4
Calibrated Size
No
Type of Cut
Custom Designed OVAL
Cutter
Faceted by Ravenstein Gem Co.
Color
Light Pastel 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
$52.08
Item Number
Gemstone
Tourmaline Tropical Sunset
Origin
Malawi, Africa
Weight (ct)
31.01 ct
Dimensions (mm)
17.9 x 17 x 8.8
Color
as photographed
Shape
Natural Rough
Clarity
Clean, 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
$43.86
$1,910.00
Item Number
Gemstone
Natural Untreated Sapphire
Origin
Mozambique
Weight (ct)
2.11 ct
Dimensions (mm)
10.7 x 7.7 x 4.6
Calibrated Size
No
Cutter
Cut by Masterpiece Collective artist Matthew Piorkovski-USA
Color
Pastel Gold Yellow
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
$905.21
$540.00
Item Number
Gemstone
Dragon Garnet - Color Change Fluorescent Chromium-Vanadium Malaya
Origin
Africa
Weight (ct)
1.14 ct
Dimensions (mm)
6.5 x 5.2 x 3.9
Calibrated Size
No
Type of Cut
Modified SHIELD
Cutter
Faceted by Ravenstein Gem Co.
Color
stone changes color to 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
$473.68
$120.00
Item Number
Gemstone
Saffordite
Origin
Safford, Arizona, USA
Weight (ct)
5.17 ct
Dimensions (mm)
13.8 x 9.7 x 5.6
Calibrated Size
No
Type of Cut
Oval Cabochon
Cutter
cut by Ravenstein Gem Co.
Color
Gray
Clarity
Semi Transparent / 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
$23.21
$160.00
Item Number
Gemstone
Natural Zircon
Origin
Tanzania, Africa
Weight (ct)
24.45 ct
Dimensions (mm)
22.9 x 12.4 x 6.4
Color
as photographed
Shape
Natural flat rough
Clarity
Transparent, carving grade / for a fantasy cut, 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
$6.54
$146.00
Item Number
Gemstone
Aquamarine
Origin
Malawi, Africa
Weight (ct)
2.77 ct
Dimensions (mm)
9.5 x 9.1 x 7.1
Calibrated Size
No
Type of Cut
Custom Designed Shield
Cutter
Faceted by Ravenstein Gem Co.
Color
Light Pastel 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
$52.71
Item Number
Gemstone
Natural Untreated Precious Topaz
Origin
Burma
Weight (ct)
128.65 ct
Dimensions (mm)
29.5 x 21.5 x 19.4
Color
Light Peach
Shape
Natural Rough
Clarity
Clean, transparent, facet grade
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
$1.86
$2,320.00
Item Number
Gemstone
Alexandrite Effect Color Change Garnet
Origin
Africa
Weight (ct)
1.02 ct
Dimensions (mm)
5.8 x 4.7 x 4.3
Calibrated Size
No
Type of Cut
Custom Designed Octagon
Cutter
faceted by Masterpiece Collective - Nick Brevig (USA)
Color
as photographed
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
$2,274.51

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