katerina krivanek Archives

$35.00

Item Number

12738

Gemstone

Sheen Obsidian

Origin

California, USA

Weight (ct)

5.90 ct

Dimensions (mm)

15.2 x 10.9 x 5.4

Calibrated Size

No

Type of Cut

Oval Cabochon

Cutter

Miro - EU

Color

Gray-Blackish Base with Greenish to Bluish Sheen

Clarity

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

$5.93

$100.00

Item Number

13196

Gemstone

Silver Schiller Sunstone

Origin

Mexico

Weight (ct)

5.73 ct

Dimensions (mm)

10.8 mm Diameter x 8.9

Calibrated Size

Yes

Type of Cut

Double Diamond ROUND Brilliant

Cutter

Faceted by Ravenstein Gem Co.

Color

Light Gold Base with Sleepy Silver 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

$17.45

$42.00

Item Number

flashlight

Weight (ct)

Color

Battery 18650 is not included

Notes

Specialized gemology flashlight with: 395 nm UV, 365 nm UV, daylight, incandescent light. Battery 18650 is NOT included.

* 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

$83.00

Item Number

22514

Gemstone

Sphalerite

Origin

Spain

Weight (ct)

2.27 ct

Dimensions (mm)

as photographed / video

Calibrated Size

No

Type of Cut

OVAL Brilliant

Cutter

Faceted by Ravenstein Gem Co.

Color

Orange to Red-Orange to Orange-Yellow

Clarity

Eye Clean

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

$36.56

$146.00

Item Number

22204

Gemstone

Sphene / Titanite

Origin

Madagascar

Weight (ct)

10.62 ct

Dimensions (mm)

16.2 x 10.2 x 7

Color

Green Yellowish

Shape

Natural flat 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

$13.75

$100.00

Item Number

22206

Gemstone

Sphene / Titanite

Origin

Madagascar

Weight (ct)

7.49 ct

Dimensions (mm)

15.6 x 11.1 x 3.6

Color

Green Yellowish

Shape

Natural flat rough

Clarity

Transparent, carving grade / for fantasy cut

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

$13.35

$117.00

Item Number

22205

Gemstone

Sphene / Titanite

Origin

Madagascar

Weight (ct)

8.45 ct

Dimensions (mm)

11.7 x 11.2 x 5.6

Color

Green Yellowish

Shape

Natural flat 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

$13.85

$140.00

Item Number

W4724

Gemstone

Sunset Tourmaline - Dravite

Origin

Tanzania, Africa

Weight (ct)

1.65 ct

Dimensions (mm)

9.3 x 5.7 x 4.2

Calibrated Size

No

Type of Cut

Radiant OCTAGON

Cutter

faceted by Ravenstein Gem Co., EU

Color

Orange-Cinnamon to Green

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

$84.85

$200.00

Item Number

22022

Gemstone

Sunset Tourmaline - Dravite

Origin

Tanzania, Africa

Weight (ct)

1.68 ct

Dimensions (mm)

10.6 x 6.4 x 5.0

Calibrated Size

No

Type of Cut

Custom Designed PEAR

Cutter

faceted by Ravenstein Gem Co., EU

Color

Orange-Cinnamon with Yellow and Reddish Flashes

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

$119.05

$320.00

Item Number

W1117

Gemstone

Sunset Tourmaline

Origin

Tanzania, Africa

Weight (ct)

2.47 ct

Dimensions (mm)

9.0 mm Diameter x 5.7

Calibrated Size

Yes

Type of Cut

ROUND Brilliant

Cutter

Sven - EU

Color

Red-Orange to Orange-Mahogany

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

$129.55

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