ravnestein gem co Archives

$165.00

Item Number

W0769

Gemstone

Brazilianite

Origin

Brazil

Weight (ct)

283.0 ct

Dimensions (mm)

42 x 36 x 33

Color

Apple Green

Shape

Natural terminated crystals on matrix

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

$0.58

$51.00

Item Number

W0812

Gemstone

Charoite

Origin

Russia

Weight (ct)

13.51 ct

Dimensions (mm)

21.6 x 14.0 x 6.9

Calibrated Size

No

Type of Cut

Pear Cabochon

Cutter

Miro - EU

Color

Unique blend of magenta-lavender-purplish and black patterns

Clarity

Semi Translucent

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

$3.77

$195.00

Item Number

W1132

Gemstone

Crimson Garnet

Origin

Malawi, Africa

Weight (ct)

9.37 ct

Dimensions (mm)

14.9 x 12.0 x 7.6

Calibrated Size

No

Type of Cut

OVAL Brilliant

Cutter

Faceted by Ravenstein Gem Co.

Color

Deep Red-Hot Pink 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

$20.81

$90.00

Item Number

20749

Gemstone

Danburite

Origin

La Aurora mine, Charcas, San Luis Potosí, Mexico

Weight (ct)

3.53 ct

Dimensions (mm)

14.6 x 9.1 x 6.0

Calibrated Size

No

Type of Cut

Custom Designed PEAR

Cutter

Faceted by Ravenstein Gem Co.

Color

Slight Pink Tint

Clarity Scale

FVVS1VVS2VS1VS2SI1SI2P1P2

Treatment

None

Tone / Saturation

Notes

Amazing scintillation and fire due to perfect cutting and very high refractive index and light dispersion.

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

$25.50

$101.00

Item Number

20745

Gemstone

Danburite

Origin

La Aurora mine, Charcas, San Luis Potosí, Mexico

Weight (ct)

4.60 ct

Dimensions (mm)

13.2 x 8.4 x 7.0

Calibrated Size

No

Type of Cut

Custom Designed MARQUISE

Cutter

Faceted by Ravenstein Gem Co.

Color

Slight Pink Tint

Clarity Scale

FVVS1VVS2VS1VS2SI1SI2P1P2

Treatment

None

Tone / Saturation

Notes

Amazing scintillation and fire due to perfect cutting and very high refractive index and light dispersion.

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

$21.96

$195.00

Item Number

W0694

Gemstone

Gold Greenish Dichroic Oregon Sunstone

Origin

PANA Mine, Southern Oregon, USA

Weight (ct)

8.46 ct

Dimensions (mm)

17.7 x 9.5 x 6.9

Calibrated Size

No

Type of Cut

Radiant Dragonfly Crown RECTANGLE

Cutter

Faceted by Ravenstein Gem Co.

Color

Pastel GOLD-GREENISH Body with Strong PINK-ORANGEY Dichroic Flashes/Shift.

Clarity Scale

FVVS1VVS2VS1VS2SI1SI2P1P2

Treatment

None

Tone / Saturation

Notes

This gemstone doesn´t have typical inclusion but rather three paralel crystal planes clearly visible by naked eye.

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

$23.05

$160.00

Item Number

W0684

Gemstone

Elbaite Tourmaline

Origin

Congo, Africa

Weight (ct)

5.37 ct

Dimensions (mm)

11.5 x 9.6 x 7.3

Calibrated Size

No

Type of Cut

CUSHION Brilliant

Cutter

Faceted by Ravenstein Gem Co.

Color

Very Deep 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

$29.80

$245.00

Item Number

W0633

Gemstone

Green Dichroic Oregon Sunstone

Origin

PANA Mine, Southern Oregon, USA

Weight (ct)

2.15 ct

Dimensions (mm)

12.5 x 6.7 x 4.8

Calibrated Size

No

Type of Cut

Marquise Brilliant

Cutter

Miro - EU

Color

Medium Green with Bluish overtone and Peachy Gold Pink dichroic shift

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

$113.95

$286.00

Item Number

B-W5783

Gemstone

Spessartine-Mandarin Garnet

Origin

Tanzania, Africa

Weight (ct)

1.56 ct

Dimensions (mm)

9.5 x 6.2 x 4.3

Calibrated Size

No

Type of Cut

Custom Designed Checkerboard Crown DIAMOND

Cutter

Faceted by Ravenstein Gem Co.

Color

Vivid Fanta 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

$183.33

$130.00

Item Number

W2556

Gemstone

Montebrasite

Origin

Brazil

Weight (ct)

2.47 ct

Dimensions (mm)

9.3 x 6.7 x 4.5

Calibrated Size

No

Type of Cut

Stepped OCTAGON-EMERALD Cut

Cutter

native cut-Brazil / quality of cut - good

Color

Pastel GOLD

Clarity Scale

FVVS1VVS2VS1VS2SI1SI2P1P2

Treatment

None

Tone / Saturation

Notes

Extremely rare gemstone! For knowledgeable collectors and rarity hunters.

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

$52.63

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