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Alexandrite

Tsarstone collectors guide

Certified Moderate Color Change Alexandrite

Weak to moderate color change.

Certified Moderate Color Change Alexandrite
Natural Alexandrite Oval 1.7 cts Natural Alexandrite Oval 1.7 cts

Grade Score 8 / 10

Color
Fair (2/5)
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: yG*5/2 (medium yellowish green)
Phenomena: Change of color (Alexandrite effect) Pleochroism Strong
Color phenomena: yO*2/2 (very light yellowish orange [brownish])
Clarity
Clarity type: Eye clean (Type I)
Transparency: Transparent
Cut
Shape: Oval
Cut style: Step
Symmetry: Exceptional
Brilliance: Exceptional
Polish: Exceptional
Size
Width: 6.40 mm
Length: 7.11 mm
Depth: 4.56 mm
Weight: 1.70 cts
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