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Tsarstone collectors guide

Certified Fine Natural Alexandrite .2.60cts.

Bluish green in daylight and purplish red under incandescent light, the color change is exceptional. Although there are some silky areas, the stone is quite clean and transparent. Slightly silky stones like this one often show a superior color change. The cutting, proportions and finish are good. Some minor windowing is observable but could easily be removed with a repolish. However, with a weight over 2.50cts., the stone may be worth more as it is and we’ve decided to leave it as it is for now. Alexandrites this large and nice are always hard to find and we buy them whenever we can get them at the right price.

Certified Fine Natural Alexandrite .2.60cts.
Natural Alexandrite Oval 2.6 cts Natural Alexandrite Oval 2.6 cts

Grade Score 8 / 10

Very good (4/5)
Good (3/5)
Large (4/5)
Very good (4/5)
Extremely rare (5/5)

Price information

Availability information

Detail identification and grading report
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
Variety of work: Faceted
Designation: A (Not currently known to be enhanced)
Color light source: Cool daylight
Color description: vstbG 7/4 (dark very strongly bluish green)
Phenomena: Change of color (Alexandrite effect) Pleochroism Strong
Color phenomena: rP 5/3 (medium reddish purple)
Clarity type: Slightly included (Type I)
Transparency: Transparent
Shape: Oval
Cut style: Step
Symmetry: Good
Brilliance: Good
Polish: Exceptional
Width: 6.43 mm
Length: 9.69 mm
Depth: 4.92 mm
Weight: 2.60 cts
Page 44 of 98 Back to Top << >>
Bibliographic details
Page title Natural Alexandrite Oval 2.6 cts
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 05:06 UTC
Date accessed 02 October 2023 22:04 UTC
Permanent link
AMA style
David Weinberg. "Natural Alexandrite Oval 2.6 cts". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 05:06 UTC. Available at: Accessed October 02, 2023.
APA style
"Natural Alexandrite Oval 2.6 cts". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 22:04, October 02, 2023, from
Bluebook style
"Natural Alexandrite Oval 2.6 cts", (last visited October 02, 2023).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Natural Alexandrite Oval 2.6 cts", (Extremely rare Alexandrite (Chrysoberyl) Oval 2.6cts from India (Deobhog area)) (as of Oct. 02, 2023, 22:04 GMT).
CBE/CSE style
David Weinberg. "Natural Alexandrite Oval 2.6 cts". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 05:06 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 05:06 UTC [cited 2023 Oct 02]. Available from:
Chicago style
David Weinberg, "Natural Alexandrite Oval 2.6 cts",, (accessed October 02, 2023).
MLA style
"Natural Alexandrite Oval 2.6 cts". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 05:06 UTC. 02 Oct 2023
MHRA style
David Weinberg, "Natural Alexandrite Oval 2.6 cts", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 05:06 UTC, [accessed 02 October 2023].
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