Shop

1923 available Gems

Item Number
Gemstone
Natural Zircon
Origin
Tanzania, Africa
Weight (ct)
1.59 ct
Dimensions (mm)
10.0 x 6.1 x 3.6
Calibrated Size
No
Type of Cut
Custom Designed PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
Walnut-Champagne-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
$37.74
Item Number
Gemstone
Tourmaline Verdelite
Origin
Zambia
Weight (ct)
1.30 ct
Dimensions (mm)
7.8 x 6.7 x 4.2
Type of Cut
Custom Designed CUSHION
Cutter
Faceted by Ravenstein Gem Co.
Color
Deep Lime Green
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
$80.77
$155.00
Item Number
Gemstone
Moonstone
Origin
Sri Lanka
Weight (ct)
5.65 ct
Dimensions (mm)
18.9 x 9.5 x 6.8
Calibrated Size
No
Cutter
Faceted by Ravenstein Gem Co.
Color
Gray-Yellowish with Silver-Bluish Sheen
Clarity
Transparent, clean
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
$27.43
Item Number
Gemstone
Tourmaline Rubellite
Origin
Malawi, Africa
Weight (ct)
1.65 ct
Dimensions (mm)
11.8 x 6.6 x 4.0
Calibrated Size
No
Type of Cut
Custom Designed PEAR
Cutter
Faceted by Ravenstein Gem Co.
Color
Hot Pink-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
$175.76
$170.00
Item Number
Gemstone
Tourmaline Rubellite
Origin
Malawi, Africa
Weight (ct)
1.60 ct
Dimensions (mm)
7.1 x 6.8 x 4.9
Calibrated Size
No
Type of Cut
Modified HEXAGON
Cutter
Faceted by Ravenstein Gem Co.
Color
Pastel 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
$106.25
$120.00
Item Number
Gemstone
Natural Untreated Tourmaline
Origin
Mozambique
Weight (ct)
1.50 ct
Dimensions (mm)
7.4 mm Diameter x 4.6
Type of Cut
Modified ROUND
Cutter
Faceted by Ravenstein Gem Co.
Color
Green Orangey
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
$80.00
Item Number
Gemstone
Amethyst
Origin
Uruguay
Weight (ct)
2.20 ct
Dimensions (mm)
8.8 x 7.9 x 6.4
Calibrated Size
No
Type of Cut
Custom Designed OVAL
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
$36.36
Item Number
Gemstone
Danburite
Origin
La Aurora mine, Charcas, San Luis Potosí, Mexico
Weight (ct)
499.30 ct
Dimensions (mm)
64 x 45 x 25
Color
Very Light PINK
Shape
Blocky Natural Crystal
Clarity
Partially transparent, top collector 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
$0.88
Item Number
Gemstone
Green Dichroic Oregon Sunstone
Origin
PANA Mine, Southern Oregon, USA
Weight (ct)
8.40 ct
Dimensions (mm)
18 x 12 x 5.5
Color
Green to Pink
Shape
Natural flat rough
Clarity
Transparent, carving grade / for a fantasy cut
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
$8.93
$250.00
Item Number
Gemstone
Moonstone
Origin
Sri Lanka
Weight (ct)
10.76 ct
Dimensions (mm)
19.7 x 14.0 x 5.8
Calibrated Size
No
Type of Cut
TRILLION Cabochon
Cutter
cut by Ravenstein Gem Co.
Color
Gray-Yellowish with Silver-Bluish Sheen
Clarity
Clean
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
$23.23

Discover a gem as unique as you are.

Step into a world of rare beauty

Ravenstein Gem Co. LLC 2026 ©
Made By a Peanut