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Alexandrite

Tsarstone collectors guide

Certified Strong Change Alexandrite Oval 3.52cts.

A fairly well cut alexandrite, the stone displays a moderate to good color change. In daylight the stone is olive gray green, and under incandescent light, the stone is gray-brown violet.

Certified Strong Change Alexandrite Oval 3.52cts.
Natural Alexandrite Oval 3.52 cts Natural Alexandrite Oval 3.52 cts

Grade Score 7 / 10

Color
Fair (2/5)
Cut
Good (3/5)
Carat
Large (4/5)
Clarity
Exceptional (5/5)
Rarity
Extremely rare (5/5)

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: YG/GY*6/2 (medium dark yellow green or green yellow)
Phenomena: Pleochroism Change of color (Alexandrite effect) Strong
Color phenomena: rO*4/2 (medium light reddish orange)
Clarity
Clarity type: Eye clean (Type I)
Transparency: Transparent
Cut
Shape: Oval
Cut style: Step
Symmetry: Good
Brilliance: Exceptional
Polish: Exceptional
Size
Width: 7.87 mm
Length: 9.97 mm
Depth: 5.55 mm
Weight: 3.52 cts
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Bibliographic details
Page title Natural Alexandrite Oval 3.52 cts
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 05:06 UTC
Date accessed 20 January 2026 08:28 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=ALX-001-00017
AMA style
David Weinberg. "Natural Alexandrite Oval 3.52 cts". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 05:06 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=ALX-001-00017. Accessed January 20, 2026.
APA style
"Natural Alexandrite Oval 3.52 cts". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 08:28, January 20, 2026, from http://www.alexandrite.net/viewpage.html?id=ALX-001-00017.
Bluebook style
"Natural Alexandrite Oval 3.52 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00017 (last visited January 20, 2026).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Natural Alexandrite Oval 3.52 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00017 (Extremely rare Alexandrite (Chrysoberyl) Oval 3.52cts from Tanzania (Tunduru)) (as of Jan. 20, 2026, 08:28 GMT).
CBE/CSE style
David Weinberg. "Natural Alexandrite Oval 3.52 cts". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 05:06 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 05:06 UTC [cited 2026 Jan 20]. Available from: http://www.alexandrite.net/viewpage.html?id=ALX-001-00017.
Chicago style
David Weinberg, "Natural Alexandrite Oval 3.52 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00017, (accessed January 20, 2026).
MLA style
"Natural Alexandrite Oval 3.52 cts". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 05:06 UTC. 20 Jan 2026 http://www.alexandrite.net/viewpage.html?id=ALX-001-00017
MHRA style
David Weinberg, "Natural Alexandrite Oval 3.52 cts", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 05:06 UTC, http://www.alexandrite.net/viewpage.html?id=ALX-001-00017 [accessed 20 January 2026].
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