3 Carat Alexandrite (Oval, 11.33×7.55mm, Bluish Green)
Color:
Actual size is set for screen
How big is a 3 carat oval-cut Alexandrite?
It depends on the cut parameters and length-to-width ratio, but a typical size of a 3ct oval-cut Alexandrite would be around 11.33×7.55 mm (±6%). The lw ratio of this Alexandrite is 1.5. See below how big it looks on a ring and finger.
Ring:
Skin tone:
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Ring width:
3.0 mm
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Saved...
64 mm
| Your settings | |
|---|---|
Ring |
Gold |
Skin tone |
Light |
Ring diameter |
16.9 mm |
Ring width |
3.0 mm |
Finger length |
64 mm |
Finger coverage |
45 % |
|
Saved...
|
|
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Ring diameter:
16.9 mm
|
Additional Info
Named after Czar Alexander II (1818-1881) Alexandrite is a rare and valuable color-change variety of chrysoberyl. Alexandrite possesses a surprising ability to change color - from green or bluish-green in daylight, it transforms to purplish or raspberry red in incandescent light.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Gem Details
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Name:
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Alexandrite |
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Mineral Group:
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Chrysoberyl |
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Shape:
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Oval |
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Chemical Formula:
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BeAl2O4 |
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Crystal Structure:
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Orthorhombic |
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Hardness:
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8.5 |
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Specific Gravity
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3.73 |
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Carat weight:
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3 ct |
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Gram weight:
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0.6 g (0.0212 ounces) |
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Points:
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300 pts |
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Length:
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11.33 mm |
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Width:
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7.55 mm |
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Est. face-up size:
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70.14 mm² |
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Volume:
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160.86 mm³ |
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Length-to-width ratio:
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1.5 |
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Refractive Index:
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1.744 - 1.755 |
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Luster:
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Vitreous |
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Wearability:
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Durable gem for daily wear |
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Care Instructions:
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No special or unusual care |
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Color:
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Alexandrite can be found in the following colors:
                  
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Birthstone:
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Alexandrite is a birthstone for the month of June |
Popular comparisons:
- 2ct Alexandrite (Oval, Bluish Green, 9.78 x 6.52) vs. 2ct Alexandrite (Princess, Bluish Green, 6.95 x 6.95)
- 1ct Alexandrite (Oval, Bluish Green, 7.77 x 5.18) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Alexandrite (Oval, Bluish Green, 7.77 x 5.18) vs. 1ct Diamond (Oval, White, 8.12 x 5.41)
- 0.68ct Alexandrite (Oval, Bluish Green, 6.7 x 4.2) vs. 0.83ct Alexandrite (Oval, Bluish Green, 5.8 x 5.2)
- 0.82ct Alexandrite (Oval, Bluish Green, 7.5 x 5) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Alexandrite (Oval, Bluish Green, 7.77 x 5.18) vs. 1ct Emerald (Oval, Green, 8.63 x 5.75)
- 1ct Alexandrite (Oval, Bluish Green, 6.9 x 5.7) vs. 0.59ct Alexandrite (Oval, Bluish Green, 6.4 x 4.7)
- 1.4ct Alexandrite (Oval, Purple, 5.8 x 7.3) vs. 0.2ct Diamond (Round, White, 4 x 4)
Use the simulator on this page to play around with different ring and finger configurations.