ravenstein gem co. Archives

$70.00

Item Number

W / 21438

Gemstone

Chrome Diopside / Siberlite

Origin

Siberia, Russia

Weight (ct)

56.81 ct

Dimensions (mm)

37 x 24 x 8.5

Color

Rich Chrome GREEN with Emerald GREEN Overtone

Shape

Natural Rough

Clarity

Semi Translucent

Treatment

None

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

$1.23

$30.00

Item Number

22470

Gemstone

Chrome Diopside / Siberlite

Origin

Siberia, Russia

Weight (ct)

8.74 ct

Dimensions (mm)

23.8 x 9.7 x 4.1

Color

Rich Chrome GREEN with Emerald GREEN Overtone

Shape

Natural Rough

Clarity

Transparent, carving grade / for a fantasy cut

Treatment

None

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

$3.43

$60.00

Item Number

12991

Gemstone

Chrome Pyrope Garnet

Origin

Tanzania, Africa

Weight (ct)

25.78 ct

Dimensions (mm)

as photographed / video

Color

Deep Pigeon Blood Red

Shape

Alluvial river-worn pebble rough

Clarity

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

$2.33

35% SALE

$365.00$237.25

Item Number

W5330

Gemstone

Genuine Chrome Tourmaline

Origin

Kenya

Weight (ct)

1.54 ct

Dimensions (mm)

10.7 x 6.6 x 4.2

Calibrated Size

No

Type of Cut

Modified PEAR

Cutter

Faceted by Ravenstein Gem Co.

Color

Deep Intense Chrome 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

$154.06

$320.00

Item Number

W5345

Gemstone

Genuine Chrome Tourmaline

Origin

Kenya

Weight (ct)

1.64 ct

Dimensions (mm)

9.0 x 5.9 x 5.6 mm

Calibrated Size

No

Type of Cut

Modified Radiant PEAR

Cutter

Faceted by Ravenstein Gem Co.

Color

Bright Chrome 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

$195.12

$135.00

Item Number

W7650

Gemstone

Colombianite

Origin

Colombia

Weight (ct)

4.25 ct

Dimensions (mm)

10.2/10.2 x 8.3/7.8 x 6.3/6.4

Calibrated Size

No

Type of Cut

Modified MARQUISE

Cutter

Faceted by Ravenstein Gem Co.

Color

Walnut-Mahogany

Clarity

Transparent

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

$31.76

$150.00

Item Number

W7652

Gemstone

Colombianite

Origin

Colombia

Weight (ct)

4.70 ct

Dimensions (mm)

8.7/8.9 x 8.6/8.9 x 6.6/6.6

Calibrated Size

No

Type of Cut

Custom Designed HEXAGON

Cutter

Faceted by Ravenstein Gem Co.

Color

Walnut-Mahogany

Clarity

Transparent

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

$31.91

$150.00

Item Number

W7651

Gemstone

Colombianite

Origin

Colombia

Weight (ct)

4.86 ct

Dimensions (mm)

9.5/9.4 x 7.6/7.6 x 6.6/6.8

Calibrated Size

No

Type of Cut

Custom Designed Octagon

Cutter

Faceted by Ravenstein Gem Co.

Color

Walnut-Mahogany

Clarity

Transparent

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

$30.86

$195.00

Item Number

W7170

Gemstone

Colombianite

Weight (ct)

8.11 ct

Dimensions (mm)

15.3 x 11.7 x 9.6

Calibrated Size

No

Type of Cut

Custom Designed CUSHION

Cutter

Faceted by Ravenstein Gem Co.

Color

Walnut-Mahogany

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

$24.04

$3,540.00

Item Number

W / 21035

Gemstone

Color Change Garnet

Origin

Kenya

Weight (ct)

1.24 ct

Dimensions (mm)

8.8 x 5.4 x 4.0

Calibrated Size

No

Type of Cut

Custom Designed PEAR

Cutter

Faceted by Ravenstein Gem Co.

Color

Blue-Purplish to Purple-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

$2,854.84

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