blue topaz Archives

$170.00

Item Number

20956

Gemstone

Natural Untreated Blue Topaz

Origin

Nigeria, Africa

Weight (ct)

7.83 ct

Dimensions (mm)

15.2 x 9.7 x 8.2

Calibrated Size

No

Type of Cut

Custom Designed MARQUISE

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

$21.71

$90.00

Item Number

W7582

Gemstone

Natural Untreated Topaz

Origin

Nigeria, Africa

Weight (ct)

3.03 ct

Dimensions (mm)

7.8 x 7.7 x 6.5

Calibrated Size

Yes

Type of Cut

Custom Designed Square Octagon

Cutter

Faceted by Ravenstein Gem Co.

Color

Bluish Tint

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

$29.70

$110.00

Item Number

22040

Gemstone

Natural Untreated Blue Topaz

Origin

Nigeria, Africa

Weight (ct)

4.12 ct

Dimensions (mm)

10.1 x 10.0 x 6.4

Calibrated Size

No

Type of Cut

Custom Designed TRIANGLE

Cutter

Faceted by Ravenstein Gem Co.

Color

Bluish Tint

Clarity Scale

FVVS1VVS2VS1VS2SI1SI2P1P2

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

$26.70

$110.00

Item Number

22037

Gemstone

Natural Untreated Blue Topaz

Origin

Nigeria, Africa

Weight (ct)

4.30 ct

Dimensions (mm)

10.9 x 10.9 x 6.8

Calibrated Size

No

Type of Cut

Custom Designed Fan

Cutter

Faceted by Ravenstein Gem Co.

Color

Bluish Tint

Clarity Scale

FVVS1VVS2VS1VS2SI1SI2P1P2

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

$25.58

$135.00

Item Number

22034

Gemstone

Natural Untreated Topaz

Origin

Nigeria, Africa

Weight (ct)

4.37 ct

Dimensions (mm)

13.1 x 6.6 x 7.1

Calibrated Size

No

Type of Cut

Modified SHIELD

Cutter

Faceted by Ravenstein Gem Co.

Color

Bluish Tint

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

$30.89

$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

$454.00

Item Number

22136

Gemstone

Natural Untreated St. Anne Blue Topaz

Origin

Saint Anne Mine, Rhodesia / Zimbabwe

Weight (ct)

7.97 ct

Dimensions (mm)

13.0 x 11.8 x 8.6

Calibrated Size

No

Type of Cut

Custom Designed Shield

Cutter

Faceted by Ravenstein Gem Co.

Color

Rich Sky 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

$56.96

$260.00

Item Number

22161

Gemstone

Natural Untreated St. Anne Blue Topaz

Origin

Saint Anne Mine, Rhodesia / Zimbabwe

Weight (ct)

88.60 ct

Dimensions (mm)

25 x 24.8 x 17.5

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

$2.93

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