loose tourmaline Archives

$120.00

Item Number

20135

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

$290.00

Item Number

20176

Gemstone

Natural Untreated Tourmaline

Origin

Mozambique

Weight (ct)

2.77 ct

Dimensions (mm)

9.7 x 7.1 x 5.4

Type of Cut

Radiant OCTAGON

Cutter

Faceted by Ravenstein Gem Co.

Color

Light Pastel Champagne

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

$104.69

$385.00

Item Number

20175

Gemstone

Natural Untreated Tourmaline

Origin

Mozambique

Weight (ct)

3.59 ct

Dimensions (mm)

12.3 x 6.6 x 4.9

Type of Cut

Modified CUSHION

Cutter

Faceted by Ravenstein Gem Co.

Color

Slight Greenish-Slight Straw 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

$107.24

$75.00

Item Number

15555

Gemstone

Natural Tourmaline

Origin

Tanzania, Africa

Weight (ct)

1.03 ct

Dimensions (mm)

7.3 x 4.8 x 3.9

Calibrated Size

No

Type of Cut

CUSHION Brilliant

Cutter

Faceted by Ravenstein Gem Co.

Color

Lime to Olive 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

$72.82

$195.00

Item Number

21420

Gemstone

Natural Tourmaline

Origin

Tanzania, Africa

Weight (ct)

1.94 ct

Dimensions (mm)

11.2 x 10.4 x 5.0

Calibrated Size

No

Type of Cut

Modified KITE

Cutter

Faceted by Ravenstein Gem Co.

Color

Yellow Orangey 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

$100.52

$220.00

Item Number

13304

Gemstone

Natural Tourmaline

Origin

Tanzania, Africa

Weight (ct)

2.10 ct

Dimensions (mm)

9.9 x 7.9 x 4.8

Calibrated Size

Yes

Type of Cut

OVAL Brilliant

Cutter

Faceted by Ravenstein Gem Co.

Color

Orange 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

$104.76

$5,750.00

Item Number

B-W5947

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

B-W7436

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

$745.00

Item Number

B-W7459

Gemstone

Natural Untreated Tourmaline

Origin

Congo, Africa

Weight (ct)

18.63 ct

Dimensions (mm)

19.6 x 11 x 9.5

Color

as photographed / video

Shape

Natural Rough

Clarity

Mostly clean, 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

$39.99

$2,360.00

Item Number

22178

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

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