round cut gem Archives

$115.00

Item Number

W7165

Gemstone

Natural Untreated Blue Topaz

Origin

Nigeria, Africa

Weight (ct)

4.47 ct

Dimensions (mm)

14.3 x 9.1 x 6.1

Calibrated Size

No

Type of Cut

Custom Designed PEAR

Cutter

Faceted by Ravenstein Gem Co.

Color

Light Pastel 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

$25.73

$1,195.00

Item Number

22105

Gemstone

Natural Untreated Blue Topaz

Origin

Nigeria, Africa

Weight (ct)

40.92 ct

Dimensions (mm)

18.1/18.2 x 14.5/14.4 x 11.8/11.9

Calibrated Size

No

Type of Cut

Custom Designed OVAL

Cutter

Faceted by Ravenstein Gem Co.

Color

Light Pastel 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

$29.20

$165.00

Item Number

W7166

Gemstone

Natural Untreated Blue Topaz

Origin

Nigeria, Africa

Weight (ct)

6.22 ct

Dimensions (mm)

11.8 x 9.5 x 8.3

Calibrated Size

No

Type of Cut

Modified SHIELD

Cutter

Faceted by Ravenstein Gem Co.

Color

Light Pastel 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

$26.53

$260.00

Item Number

W7594

Gemstone

Natural Untreated Blue Topaz

Origin

Nigeria, Africa

Weight (ct)

8.77 ct

Dimensions (mm)

16.1/15.9 x 10.6/10.4 x 6.8/.6.6

Calibrated Size

No

Type of Cut

Custom Designed KITE

Cutter

Faceted by Ravenstein Gem Co.

Color

Very Light Pastel 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

$29.65

$570.00

Item Number

W7367

Gemstone

Natural Untreated Blue-Green Topaz

Origin

Nigeria, Africa

Weight (ct)

17.13 ct

Dimensions (mm)

18.1 x 16.5 x 10.2

Calibrated Size

No

Type of Cut

Custom Designed Shield

Cutter

Faceted by Ravenstein Gem Co.

Color

Light Pastel Blue with Greenish 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

$33.27

$200.00

Item Number

W7343

Gemstone

Natural Untreated Silver-Bluish Topaz

Origin

Nigeria, Africa

Weight (ct)

10.0 ct

Dimensions (mm)

13.1 mm Diameter x 9.1 mm

Calibrated Size

No

Type of Cut

Custom Designed ROUND

Cutter

Faceted by Ravenstein Gem Co.

Color

Silver-Bluish

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

$20.00

$400.00

Item Number

22171

Gemstone

Natural Untreated St. Anne Blue Topaz

Origin

Saint Anne Mine, Rhodesia / Zimbabwe

Weight (ct)

125.90 ct

Dimensions (mm)

30.5 x 28 x 22

Color

Rich Sky Blue

Clarity

Facet / cabochon / top collector grade

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

$3.18

$450.00

Item Number

22160

Gemstone

Natural Untreated St. Anne Blue Topaz

Origin

Saint Anne Mine, Rhodesia / Zimbabwe

Weight (ct)

150.80 ct

Dimensions (mm)

40 x 23.9 x 22

Color

Rich Sky Blue

Clarity

Transparent, semi facet / cabochon / top collector grade

Treatment

None

Notes

The St.Anne mine in Zimbabwe was closed 2 years ago.

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

$2.98

$329.00

Item Number

22172

Gemstone

Natural Untreated St. Anne Blue Topaz

Origin

Saint Anne Mine, Rhodesia / Zimbabwe

Weight (ct)

231.20 ct

Dimensions (mm)

54 x 30 x 25

Color

Rich Sky Blue

Clarity

Transparent with Tourmaline crystals

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

$1.42

$104.00

Item Number

22212

Gemstone

Natural Untreated St. Anne Blue Topaz

Origin

Saint Anne Mine, Rhodesia / Zimbabwe

Weight (ct)

56.90 ct

Dimensions (mm)

as photographed / video

Color

Rich Sky Blue

Clarity

Mostly transparent with some natural flaws

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

$1.83

Shop

Discover a gem as unique as you are.

Step into a world of rare beauty