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Alexandrite

Tsarstone collectors guide

Certified Natural Alexandrite Oval 1.31cts.

Grayish green in daylight and grayish wine red under incandescent light, the color change is excellent. The cutting and proportions are good with no windowing at all. Because of the strong color change, we always have to pay more for stones like this.

Certified Natural Alexandrite Oval 1.31cts.
Natural Alexandrite Oval 1.31 cts Natural Alexandrite Oval 1.31 cts

Grade Score 8 / 10

Color
Very good (4/5)
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: Deobhog area, Raipur, Chhattisgarh, India
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: bG*5/3 (medium bluish green)
Phenomena: Pleochroism Change of color (Alexandrite effect) Strong
Color phenomena: RP/PR 3/3 (light red-purple [pink])
Clarity
Clarity type: Slightly included (Type I)
Transparency: Transparent
Cut
Shape: Oval
Cut style: Portuguese
Symmetry: Exceptional
Brilliance: Exceptional
Polish: Exceptional
Size
Width: 5.20 mm
Length: 7.90 mm
Depth: 4.00 mm
Weight: 1.31 cts
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Bibliographic details
Page title Natural Alexandrite Oval 1.31 cts
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 05:07 UTC
Date accessed 06 October 2024 21:46 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=ALX-001-00066
AMA style
David Weinberg. "Natural Alexandrite Oval 1.31 cts". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 05:07 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=ALX-001-00066. Accessed October 06, 2024.
APA style
"Natural Alexandrite Oval 1.31 cts". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 21:46, October 06, 2024, from http://www.alexandrite.net/viewpage.html?id=ALX-001-00066.
Bluebook style
"Natural Alexandrite Oval 1.31 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00066 (last visited October 06, 2024).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Natural Alexandrite Oval 1.31 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00066 (Rare Alexandrite (Chrysoberyl) Oval 1.31cts from India (Deobhog area)) (as of Oct. 06, 2024, 21:46 GMT).
CBE/CSE style
David Weinberg. "Natural Alexandrite Oval 1.31 cts". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 05:07 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 05:07 UTC [cited 2024 Oct 06]. Available from: http://www.alexandrite.net/viewpage.html?id=ALX-001-00066.
Chicago style
David Weinberg, "Natural Alexandrite Oval 1.31 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00066, (accessed October 06, 2024).
MLA style
"Natural Alexandrite Oval 1.31 cts". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 05:07 UTC. 06 Oct 2024 http://www.alexandrite.net/viewpage.html?id=ALX-001-00066
MHRA style
David Weinberg, "Natural Alexandrite Oval 1.31 cts", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 05:07 UTC, http://www.alexandrite.net/viewpage.html?id=ALX-001-00066 [accessed 06 October 2024].
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