investment gemstones Archives

$230.00

Item Number

W7699

Gemstone

Danburite

Origin

La Aurora mine, Charcas, San Luis Potosí, Mexico

Weight (ct)

8.06 ct

Dimensions (mm)

12.2 x 12.1 x 8.4

Calibrated Size

Yes

Type of Cut

Custom Designed Octagon

Cutter

Faceted by Ravenstein Gem Co.

Color

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

$28.54

$288.00

Item Number

W6519

Gemstone

Natural Untreated Parti Sapphire

Origin

Kenya

Weight (ct)

0.75 ct

Dimensions (mm)

6.6 x 4.2 x 3.6

Calibrated Size

No

Type of Cut

Custom Designed MARQUISE

Cutter

Faceted by Ravenstein Gem Co.

Color

Blue-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

$384.00

$2,370.00

Item Number

W7715

Gemstone

Natural Untreated Precious Topaz

Origin

Burma

Weight (ct)

59.11 ct

Dimensions (mm)

21.6 x 19.1 x 18.5

Calibrated Size

No

Type of Cut

Custom Designed Shield

Cutter

Faceted by Ravenstein Gem Co.

Color

Pastel Champagne-Gold

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

$40.09

$360.00

Item Number

W6414

Gemstone

Natural Tourmaline

Origin

Zambia

Weight (ct)

2.53 ct

Dimensions (mm)

12.8 x 5.7 x 4.4

Calibrated Size

No

Type of Cut

Custom Designed Octagon

Cutter

Faceted by Ravenstein Gem Co.

Color

Light Pastel Green Gold

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

$142.29

$500.00

Item Number

W6425

Gemstone

Natural Tourmaline

Origin

Zambia

Weight (ct)

3.34 ct

Dimensions (mm)

6.9/7.0 x 6.8/7.0 x 5.4/4.8

Calibrated Size

Yes

Type of Cut

Custom Designed Radiant SQUARE

Cutter

Faceted by Ravenstein Gem Co.

Color

Bright Green-Yellow-Charteuse

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

$149.70

$250.00

Item Number

W6831

Gemstone

Natural Untreated Yellow Imperial Topaz

Origin

W. Africa

Weight (ct)

2.10 ct

Dimensions (mm)

7.3 x 7.3 x 5.5

Calibrated Size

No

Type of Cut

Custom Designed CUSHION

Cutter

Faceted by Ravenstein Gem Co.

Color

Yellow-Gold

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

$119.05

$385.00

Item Number

W6826

Gemstone

Natural Untreated Yellow Imperial Topaz

Origin

W. Africa

Weight (ct)

2.93 ct

Dimensions (mm)

9.7 x 7.7 x 5.8

Calibrated Size

Yes

Type of Cut

Custom Designed OVAL

Cutter

Faceted by Ravenstein Gem Co.

Color

Pastel Gold Yellow

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

$131.40

$425.00

Item Number

W6384

Gemstone

Natural Unheated Blue Sapphire

Origin

Kenya

Weight (ct)

0.90 ct

Dimensions (mm)

5.6 mm Diameter x 4.0

Calibrated Size

No

Type of Cut

Custom Designed ROUND

Cutter

Faceted by Ravenstein Gem Co.

Color

Deep 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

$472.22

$870.00

Item Number

21571

Gemstone

Natural Untreated Parti Sapphire

Origin

Kenya

Weight (ct)

1.59 ct

Dimensions (mm)

8.2 x 5.7 x 3.9

Calibrated Size

No

Type of Cut

Modified OCTAGON

Cutter

Faceted by Ravenstein Gem Co.

Color

Blue Green with Touch of Schiller

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

$547.17

$250.00

Item Number

W6825

Gemstone

Natural Untreated Yellow Imperial Topaz

Origin

W. Africa

Weight (ct)

1.66 ct

Dimensions (mm)

7.6 x 6.4 x 4.8

Calibrated Size

No

Type of Cut

Custom Designed OVAL

Cutter

Faceted by Ravenstein Gem Co.

Color

Pastel Gold Yellow

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

$150.60

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