3 Carat Benitoite (Princess, 7.81×7.81mm, Blue)
Color:
Actual size is set for screen
How big is a 3 carat princess-cut Benitoite?
It depends on the cut parameters, but a typical size of a 3ct princess-cut Benitoite would be around 7.81×7.81 mm (±6%). You can check how big it looks on a ring and finger below.
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 |
47 % |
|
Saved...
|
|
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Ring diameter:
16.9 mm
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Additional Info
Benitoite is a very rare blue gem first discovered in San Benito, California (hence the name). Benitoite is California state’s official 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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Benitoite |
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Shape:
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Princess |
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Chemical Formula:
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BaTiSi3O9 |
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Crystal Structure:
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Hexagonal |
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Hardness:
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6 - 6.5 |
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Specific Gravity
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3.65 |
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Carat weight:
|
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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7.81 mm |
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Width:
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7.81 mm |
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Est. face-up size:
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61 mm² |
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Volume:
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164.38 mm³ |
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Length-to-width ratio:
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1 |
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Refractive Index:
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1.75-1.80 |
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Luster:
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Vitreous |
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Wearability:
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|
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Care Instructions:
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Color:
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Benitoite can be found in the following colors:
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Birthstone:
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Benitoite is not an official birthstone of any month |
Popular comparisons:
- 1ct Benitoite (Princess, Blue, 5.54 x 5.54) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Benitoite (Princess, Blue, 5.54 x 5.54) vs. 1.5ct Emerald (Emerald, Dark Green, 8.33 x 6.17)
- 0.79ct Benitoite (Princess, Blue, 5.12 x 5.12) vs. 1ct Diamond (Princess, White, 5.51 x 5.51)
- 0.77ct Benitoite (Princess, Blue, 5.08 x 5.08) vs. 0.79ct Sapphire (Oval, Dark Blue, 6.99 x 4.66)
- 1ct Benitoite (Princess, Dark Blue, 5.54 x 5.54) vs. 0.5ct Benitoite (Princess, Dark Blue, 4.4 x 4.4)
- 1ct Benitoite (Princess, Dark Blue, 5.54 x 5.54) vs. 0.75ct Benitoite (Princess, Dark Blue, 5.03 x 5.03)
- 3ct Benitoite (Princess, Blue, 7.99 x 7.99) vs. 1ct Emerald (Emerald, Green, 8 x 5)
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)

