Collections

American Cut Gems and Masterpiece Collective Gems

113 available Gems

$890.00
Item Number
Gemstone
Goshenite
Origin
Mozambique
Weight (ct)
11.05 ct
Dimensions (mm)
15.7 x 15.0 x 9.7
Calibrated Size
No
Type of Cut
Custom Designed Shield
Cutter
cut by Masterpiece Collective artist Darryl Alexander-USA
Color
Water Clear-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
$80.54
Item Number
Gemstone
Green Dichroic Oregon Sunstone
Origin
PANA Mine, Little Eagle Butte, Oregon, USA
Weight (ct)
7.25 ct
Dimensions (mm)
17.1 x 12.9 x 9.1
Calibrated Size
No
Type of Cut
Custom Designed PENDELOQUE
Cutter
faceted by Masterpiece Collective - Nick Brevig (USA)
Color
Green-Gold-Pink with Touch of Copper Schiller
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
$192.41
$7,800.00
Item Number
Gemstone
Green Tourmaline
Origin
Kenya
Weight (ct)
26.21 ct
Dimensions (mm)
24.06 x 12.93 x 12.26 mm
Calibrated Size
No
Type of Cut
Modified OCTAGON “Shockwave”
Cutter
Loren Brown - USA. Commission sale on behalf Loren Brown. This gemstone will be shipped by the artist Loren Brown directly from his place in Texas.
Color
Blue-Green and Yellowish-Green
Clarity Scale
FVVS1VVS2VS1VS2SI1SI2P1P2
Clarity
SI1- slightly included, can see with naked eye
Treatment
None
Tone / Saturation
Notes

Commission sale on behalf Loren Brown. Ravenstein Gem Co. doesn't carry any responsibility when it comes to final price, quality, exchanges etc.


* 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
$297.60
$470.00
Item Number
Gemstone
Imperial Garnet
Origin
Tanzania, Africa
Weight (ct)
1.47 ct
Dimensions (mm)
6.5 mm Diameter x 4.6
Calibrated Size
No
Type of Cut
Custom Designed ROUND
Cutter
faceted by Masterpiece Collective - Nick Brevig (USA)
Color
Lavender-Rose Pink with Slight Orangey Overtone
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
$319.73
$775.00
Item Number
Gemstone
Malaia / Malaya Garnet
Origin
Eastern Africa
Weight (ct)
3.47 ct
Dimensions (mm)
9.1 x 9.1 x 5.6
Calibrated Size
No
Type of Cut
Custom Designed CUSHION
Cutter
faceted by Wahid Mottaghian-Germany
Color
Fire Red-Orange
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
$223.34
$1,500.00
Item Number
Gemstone
Mandarin Garnet
Origin
Tanzania, Africa
Weight (ct)
12.64 ct
Dimensions (mm)
14.8 x 14.5 x 5.9
Calibrated Size
No
Type of Cut
Artistic Carving by Darryl Alexander
Cutter
Darryl Alexander - USA
Color
Vivid Fanta Orange
Clarity
Fully transparent, mostly clean with minor natural crystal inclusions
Treatment
None
Tone / Saturation
Notes

Extremely rare, museum investment grade. Mandarin Garnet over 10ct is extremely rare!

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
$118.67
$1,900.00
Item Number
Gemstone
Mandarin Garnet
Origin
Tanzania, Africa
Weight (ct)
12.67 ct
Dimensions (mm)
16.8 x 12.2 x 8.2
Calibrated Size
No
Type of Cut
Artistic Carving by Darryl Alexander
Cutter
Darryl Alexander - USA
Color
Vivid Fanta Orange
Clarity
Fully transparent, mostly clean with minor natural crystal inclusions
Treatment
None
Tone / Saturation
Notes

Extremely rare, museum investment grade. Mandarin Garnet over 10ct is extremely rare!

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
$149.96
Item Number
Gemstone
Natural Untreated Tourmaline
Origin
Congo, Africa
Weight (ct)
4.47 ct
Dimensions (mm)
7.8/7.7 x 7.8/7.7 x 6.4/6.3 mm
Calibrated Size
Yes
Type of Cut
Custom Designed TRILLION
Cutter
faceted by Masterpiece Collective - Steven Tyler (USA)
Color
Incredible Blue-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
$1,500.00
$5,750.00
Item Number
Gemstone
Natural Untreated Tricolor Tourmaline
Origin
Congo, Africa
Weight (ct)
10.42 ct
Dimensions (mm)
20.2 x 8.4 x 6.9 mm
Calibrated Size
No
Type of Cut
Custom Designed Octagon
Cutter
faceted by Masterpiece Collective - Nick Brevig (USA)
Color
Bright Grass Green to Gold Yellow to Bright 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
$551.82
$5,245.00
Item Number
Gemstone
Natural Untreated Tricolor Tourmaline
Origin
Congo, Africa
Weight (ct)
11.65 ct
Dimensions (mm)
26.9 x 7.8 x 6.0
Calibrated Size
No
Type of Cut
Custom Designed Octagon
Cutter
faceted by Masterpiece Collective - Nick Brevig (USA)
Color
Pink, Pink-Peach and 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
$450.21

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