Shop

1923 available Gems

$155.00
Item Number
Gemstone
Sunset Tourmaline - Dravite
Origin
Tanzania, Africa
Weight (ct)
1.42 ct
Dimensions (mm)
9.3 x 5.9 x 4.6
Calibrated Size
No
Type of Cut
Modified CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Cinnamon-Orange with Slight Greenish Shift
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
$109.15
Item Number
Gemstone
Natural Untreated Tourmaline
Origin
Congo, Africa
Weight (ct)
8.08 ct
Dimensions (mm)
11.5 x 11.5 x 7.6
Calibrated Size
No
Type of Cut
Custom Fantasy OCTAGON Cut
Cutter
Nolan Sponsler - USA
Color
Light Pastel GOLD-PINKISH
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
$389.98
$2,560.00
Item Number
Gemstone
Bicolor Tourmaline Rubellite
Origin
Congo, Africa
Weight (ct)
8.80 ct
Dimensions (mm)
16.9 x 9.2 x 6.7
Calibrated Size
No
Type of Cut
Modified OCTAGON
Cutter
Doug Mulling - USA
Color
Pastel Pink to Champagne-Light Gold
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation

* 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
$290.91
Item Number
Gemstone
Danburite
Origin
La Aurora mine, Charcas, San Luis Potosí, Mexico
Weight (ct)
6.74 ct
Dimensions (mm)
17.7 x 8.6 x 6.4
Calibrated Size
No
Type of Cut
Custom Designed Rhomboid
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
$23.15
Item Number
Gemstone
Tourmaline Tropical Sunset
Origin
Malkhan, Russia
Weight (ct)
2.50 ct
Dimensions (mm)
10.0 x 6.7 x 5.0
Calibrated Size
No
Type of Cut
Radiant OCTAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Lavender-Hot Pink-Peach
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
$236.00
$250.00
Item Number
Gemstone
Natural Topaz
Origin
Namibia
Weight (ct)
11.53 ct
Dimensions (mm)
13.1 x 13.1 x 10.1
Calibrated Size
No
Type of Cut
Custom Designed POLYGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Very Slight Blue Tint (almost colorless)
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
$21.68
$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
Item Number
Gemstone
Peridot
Origin
Arizona, USA
Weight (ct)
1.79 ct
Dimensions (mm)
5.5/5.5 mm Diameter x 4.4/4.3 mm
Calibrated Size
No
Type of Cut
Custom Designed ROUND
Cutter
Faceted by Ravenstein Gem Co.
Color
Lime-Apple Green
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Clarity
SI2 with lily pad inclusions
Treatment
None
Tone / Saturation

* 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
$31.28
$305.00
Item Number
Gemstone
Danburite
Origin
La Aurora mine, Charcas, San Luis Potosí, Mexico
Weight (ct)
14.41 ct
Dimensions (mm)
18.2 x 12.6 x 11.2
Calibrated Size
No
Type of Cut
Fancy Radiant SHIELD
Cutter
Faceted by Ravenstein Gem Co.
Color
Very very light pink
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Treatment
None
Tone / Saturation

* 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
$21.17
Item Number
Gemstone
Tourmaline Tropical Sunset
Origin
Malkhan, Russia
Weight (ct)
6.50 ct
Dimensions (mm)
13.7 x 7.7 x 8.6
Calibrated Size
No
Type of Cut
Custom Designed Octagon
Cutter
faceted by Nick Brevig - USA
Color
Beautiful Mixture of Orange, Deep Pink and Magenta
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Clarity
VS1 - a single feather in pavilion
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
$351.54

Discover a gem as unique as you are.

Step into a world of rare beauty

Ravenstein Gem Co. LLC 2026 ©
Made By a Peanut