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Alexandrite

Tsarstone collectors guide

Certified Strong Change Alexandrite 1.79cts.

Bright slightly yellowish green in daylight and grayish-violet under incandescent light, the color change is strong. The clarity, cutting and proportions are quite good. A complimentary AIGS gemstone mini certificate is included with the purchase of this gemstone.

Certified Strong Change Alexandrite 1.79cts.
Natural Alexandrite Oval 1.79 cts Natural Alexandrite Oval 1.79 cts

Grade Score 8 / 10

Color
Good (3/5)
Cut
Exceptional (5/5)
Carat
Large (4/5)
Clarity
Exceptional (5/5)
Rarity
Rare (4/5)

Price information

Availability information

  • Offered through Multicolour.com
  • Usually ships within 24 hours
  • Source: Multicolour.com
  • Multicolour Gems Co., Ltd
Detail identification and grading report
Identification
Type: Natural
Species: Chrysoberyl
Variety: Alexandrite
Origin: Tunduru, Ruvuma, Ruvuma Region, Tanzania
Hardness: 8.5
Density: 3.75
RI-1: 1.741
RI-2: 1.76
Enhancements
Variety of work: Faceted
Designation: A (Not currently known to be enhanced)
Color
Color light source: Cool daylight
Color description: G 4/2 (medium light green)
Phenomena: Change of color (Alexandrite effect) Pleochroism Strong
Color phenomena: RP/PR*3/2 (light red-purple or purple-red [pink])
Clarity
Clarity type: Eye clean (Type I)
Transparency: Transparent
Cut
Shape: Oval
Cut style: Step
Symmetry: Exceptional
Brilliance: Exceptional
Polish: Exceptional
Size
Width: 6.55 mm
Length: 7.64 mm
Depth: 4.33 mm
Weight: 1.79 cts
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Bibliographic details
Page title Natural Alexandrite Oval 1.79 cts
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 06:07 UTC
Date accessed 30 July 2014 07:00 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=ALX-001-00057
AMA style
David Weinberg. "Natural Alexandrite Oval 1.79 cts". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 06:07 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=ALX-001-00057. Accessed July 30, 2014.
APA style
"Natural Alexandrite Oval 1.79 cts". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 07:00, July 30, 2014, from http://www.alexandrite.net/viewpage.html?id=ALX-001-00057.
Bluebook style
"Natural Alexandrite Oval 1.79 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00057 (last visited July 30, 2014).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Natural Alexandrite Oval 1.79 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00057 (Rare Alexandrite (Chrysoberyl) Oval 1.79cts from Tanzania (Tunduru)) (as of Jul. 30, 2014, 07:00 GMT).
CBE/CSE style
David Weinberg. "Natural Alexandrite Oval 1.79 cts". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 06:07 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 06:07 UTC [cited 2014 Jul 30]. Available from: http://www.alexandrite.net/viewpage.html?id=ALX-001-00057.
Chicago style
David Weinberg, "Natural Alexandrite Oval 1.79 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00057, (accessed July 30, 2014).
MLA style
"Natural Alexandrite Oval 1.79 cts". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 06:07 UTC. 30 Jul 2014 http://www.alexandrite.net/viewpage.html?id=ALX-001-00057
MHRA style
David Weinberg, "Natural Alexandrite Oval 1.79 cts", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 06:07 UTC, http://www.alexandrite.net/viewpage.html?id=ALX-001-00057 [accessed 30 July 2014].
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