rare gemstone Archives

$460.00

Item Number

W5445

Gemstone

Demantoid Garnet

Origin

Ural, Russia

Weight (ct)

0.68 ct

Dimensions (mm)

4.3/4.2 mm Diameter x 2.6/2.6

Calibrated Size

Yes

Type of Cut

Standard Round Brilliant

Cutter

cut in Russia

Color

Vivid Green with Slight Yellowish Overtone

Clarity

Transparent with some horsetail inclusions

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

$676.47

$49,600.00

Item Number

W7601

Gemstone

Demantoid Garnet

Origin

Ural Mountains, Russia

Weight (ct)

12.72 ct

Dimensions (mm)

16.2 x 10.8 x 5.8

Calibrated Size

No

Type of Cut

Combination Cut by John Dyer

Cutter

cut by John Dyer-USA

Color

Apple GREEN with YELLOWISH Overtone

Clarity

Transparent with heavy horsetail inclusion

Treatment

None

Notes

Investment grade gemstone. Contact: katerina@ravensteingemco.com or ask@johndyergems.com

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

$3,899.37

$77,176.00

Item Number

W6836

Gemstone

Demantoid Garnet

Origin

Ural Mountains, Russia

Weight (ct)

4.41 ct

Dimensions (mm)

10.6 x 8.4 x 5.2

Calibrated Size

No

Type of Cut

Combination Cut by John Dyer

Cutter

cut by John Dyer-USA

Color

Apple GREEN with YELLOWISH Overtone

Clarity

Transparent with horsetail inclusion

Treatment

None

Notes

Investment grade gemstone. Contact: katerina@ravensteingemco.com or ask@johndyergems.com

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

$17,500.23

$430.00

Item Number

B-W5996

Gemstone

Imperial Garnet

Origin

Tanzania, Africa

Weight (ct)

1.27 ct

Dimensions (mm)

7.0 mm Diameter x 4.0

Calibrated Size

Yes

Type of Cut

Custom Designed ROUND

Cutter

Faceted by Ravenstein Gem Co.

Color

Lavender-Rose Pink with Slight Orangey Overtone

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

$338.58

$795.00

Item Number

W2154

Gemstone

Multicolor Oregon Sunstone

Origin

PANA Mine, Southern Oregon, USA

Weight (ct)

4.62 ct

Dimensions (mm)

16.0 x 8.2 x 6.2

Calibrated Size

No

Type of Cut

Rhomboid LEAF Brilliant

Cutter

Faceted by Ravenstein Gem Co.

Color

Orange-Pink-Peach-Gold Body with Strong Green Fire at Both Ends

Clarity Scale

FVVS1VVS2VS1VS2SI1SI2P1P2

Treatment

None

Tone / Saturation

Notes

Investment grade, for top jewelry

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

$172.08

$1,500.00

Item Number

W4816

Gemstone

Oregon Sunstones

Origin

PANA Mine, Southern Oregon, USA

Weight (ct)

7.66 ct

Dimensions (mm)

13.1 x 12.3 x 8.3

Calibrated Size

No

Type of Cut

Artistic Fantasy Cut by Darryl Alexander-USA

Cutter

cut by Darryl Alexander-USA

Color

Orange-Red

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

$195.82

$1,295.00

Item Number

W5443

Gemstone

Polar Demantoid

Origin

Polar region, Russia

Weight (ct)

1.61 ct

Dimensions (mm)

6.5 mm Diameter x 5.0

Calibrated Size

No

Type of Cut

Standard Round Brilliant

Cutter

cut in Russia

Color

Vivid Apple 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

$804.35

$200.00

Item Number

W5034

Gemstone

Topazolite

Origin

Ural Mountains, Russia

Weight (ct)

0.30 ct

Dimensions (mm)

2.4-2.6 mm Diameter

Calibrated Size

No

Type of Cut

ROUND Brilliant

Cutter

cut in Russia

Color

Yellow Cinnamon

Clarity

Eye clean with occasional horsetail inclusion

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

$666.67

$230.00

Item Number

22437

Gemstone

Topazolite

Origin

Ural Mountains, Russia

Weight (ct)

0.30 ct

Dimensions (mm)

3.3/3.3 mmdiameter x 2.1/2.0

Calibrated Size

Yes

Type of Cut

ROUND Brilliant

Cutter

cut in Russia

Color

Yellow Cinnamon

Clarity

Eye clean with occasional horsetail inclusion

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

$766.67

$290.00

Item Number

W5047

Gemstone

Topazolite

Origin

Ural Mountains, Russia

Weight (ct)

0.42 ct

Dimensions (mm)

2.5 - 2.7 mm Diameter

Calibrated Size

No

Type of Cut

ROUND Brilliant

Cutter

cut in Russia

Color

Deep Cinnamon-Orange

Clarity

Eye clean with occasional horsetail inclusion

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

$690.48

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