12 Carat Chrysoberyl (Marquise, 22.78×11.39mm, Light Yellowish Green)
Color:
Actual size is set for screen
How big is a 12 carat marquise-cut Chrysoberyl?
It depends on the cut parameters and length-to-width ratio, but a typical size of a 12ct marquise-cut Chrysoberyl would be around 22.78×11.39 mm (±6%). The lw ratio of this Chrysoberyl is 2. 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 |
68 % |
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Saved...
|
|
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Ring diameter:
16.9 mm
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Additional Info
Chrysoberyl is a name for a family of gemstones that includes the famous color-changing Alexandrite. Ordinary chrysoberyl is usually yellowish-green in color. Tough and durable gem.
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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Chrysoberyl |
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Shape:
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Marquise |
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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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12 ct |
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Gram weight:
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2.4 g (0.0847 ounces) |
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Points:
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1200 pts |
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Length:
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22.78 mm |
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Width:
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11.39 mm |
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Est. face-up size:
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184.22 mm² |
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Volume:
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643.43 mm³ |
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Length-to-width ratio:
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2 |
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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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Chrysoberyl can be found in the following colors:
      
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Birthstone:
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Chrysoberyl is not an official birthstone of any month |
Popular comparisons:
- 1ct Chrysoberyl (Marquise, Dark Green, 10.12 x 5.06) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.8ct Chrysoberyl (Marquise, Light Yellow, 10.18 x 4.64) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Chrysoberyl (Marquise, Dark Green, 10.12 x 5.06) vs. 1ct Emerald (Marquise, Green, 11.26 x 5.63)
- 3ct Chrysoberyl (Marquise, Light Yellowish Green, 14.6 x 7.3) vs. 4ct Tourmaline (Marquise, Violet, 17.06 x 8.53)
- 0.7ct Chrysoberyl (Marquise, Light Yellowish Green, 9.48 x 4.26) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.7ct Chrysoberyl (Marquise, Light Yellowish Green, 9.65 x 4.54) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.7ct Chrysoberyl (Marquise, Light Yellowish Green, 10.18 x 4.64) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)