ravenstein gem co. Archives

$155.00

Item Number

22318

Gemstone

Bicolor Oregon Sunstone

Origin

PANA Mine, Southern Oregon, USA

Weight (ct)

24.62 ct

Dimensions (mm)

29 x 14 x 11

Color

Orange Red to Green

Shape

Natural 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

$6.30

$2,560.00

Item Number

W5689

Gemstone

Bicolor Tourmaline Rubellite

Origin

Congo, Africa

Weight (ct)

8.80 ct

Dimensions (mm)

16.9 x 9.2 x 6.7

Calibrated Size

No

Type of Cut

Modified OCTAGON

Cutter

Doug Mulling - USA

Color

Pastel Pink to Champagne-Light Gold

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

$290.91

$80.00

Item Number

W0658

Gemstone

Black Leopard Opal

Origin

Mexico

Weight (ct)

11.64 ct

Dimensions (mm)

23.5 x 14.0 x 6.5

Calibrated Size

No

Type of Cut

Pear Cabochon

Cutter

Miro - EU

Color

Play of Colors: 3/10

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

$6.87

$390.00

Item Number

W7646

Gemstone

Black Leopard Opal

Origin

Zimapan, Mexico

Weight (ct)

13.92 ct

Dimensions (mm)

14.9 x 14.9 x 8.9

Calibrated Size

No

Type of Cut

CUSHION Cabochon

Cutter

cut by Ravenstein Gem Co.

Color

Play of colors 10 / 10

Treatment

None

Notes

Very unfortunately the true confetti-style intense flashes of colors could not be captured on the digital image or the video clip

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

$28.02

$105.00

Item Number

22436

Gemstone

Black Leopard Opal

Origin

Zimapan, Mexico

Weight (ct)

3.54 ct

Dimensions (mm)

12.8 x 10.7 x 4.2

Calibrated Size

No

Type of Cut

CUSHION Cabochon

Cutter

cut by Ravenstein Gem Co.

Color

Play of Colors 9 / 10

Treatment

None

Notes

Very unfortunately the true confetti-style intense flashes of colors could not be captured on the digital image or the video clip

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

$29.66

$105.00

Item Number

22433

Gemstone

Black Leopard Opal

Origin

Zimapan, Mexico

Weight (ct)

4.12 ct

Dimensions (mm)

12.6 x 8.9 x 5.7

Calibrated Size

No

Type of Cut

Pear Cabochon

Cutter

cut by Ravenstein Gem Co.

Color

Play of Colors no. 7

Treatment

None

Notes

Very unfortunately the true confetti-style intense flashes of colors could not be captured on the digital image or the video clip

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

$25.49

$215.00

Item Number

W7648

Gemstone

Black Leopard Opal

Origin

Zimapan, Mexico

Weight (ct)

7.53 ct

Dimensions (mm)

15.8 x 11.0 x 7.1

Calibrated Size

No

Type of Cut

Pear Cabochon

Cutter

cut by Ravenstein Gem Co.

Color

Play of colors 10 / 10

Treatment

None

Notes

Very unfortunately the true confetti-style intense flashes of colors could not be captured on the digital image or the video clip

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

$28.55

$129.00

Item Number

W5307

Gemstone

Black Leopard Opal

Origin

Zimapan, Mexico

Weight (ct)

7.70 ct

Dimensions (mm)

13.8 x 10.9 x 7.3

Calibrated Size

No

Type of Cut

CUSHION Cabochon

Cutter

cut by Ravenstein Gem Co.

Color

Play of Colors #7

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

$16.75

$210.00

Item Number

22434

Gemstone

Black Leopard Opal

Origin

Zimapan, Mexico

Weight (ct)

8.12 ct

Dimensions (mm)

12.9 x 11.1 x 6.8

Calibrated Size

No

Type of Cut

CUSHION Cabochon

Cutter

cut by Ravenstein Gem Co.

Color

Play of Color no. 8

Treatment

None

Notes

Very unfortunately the true confetti-style intense flashes of colors could not be captured on the digital image or the video clip

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

$25.86

$135.00

Item Number

W5334

Gemstone

Black Leopard Opal

Origin

Zimapan, Mexico

Weight (ct)

9.47 ct

Dimensions (mm)

17.8 x 11.7 x 6.5

Calibrated Size

No

Type of Cut

CUSHION Cabochon

Cutter

cut by Ravenstein Gem Co.

Color

Play of Colors no. 6

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

$14.26

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