0.5 Carat Benitoite (Round, 4.89mm, Blue)
Color:
Actual size is set for screen
How big is a 0.5 carat round-cut Benitoite?
It depends on the cut proportions, but typically a 0.5ct round-cut Benitoite would measure around 4.89 mm (±4%) in diameter. You can check the finger coverage in the simulator 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 |
29 % |
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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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Round |
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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:
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0.5 ct |
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Gram weight:
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0.1 g (0.0035 ounces) |
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Points:
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50 pts |
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Length:
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4.89 mm |
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Width:
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4.89 mm |
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Average diameter:
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4.89 mm |
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Est. face-up size:
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18.78 mm² |
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Volume:
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27.4 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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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:
- 0.5ct Benitoite (Round, Blue, 4.89 x 4.89) vs. 1.32ct Benitoite (Round, Blue, 6.76 x 6.76)
- 0.5ct Benitoite (Round, Blue, 4.89 x 4.89) vs. 0.5ct Alexandrite (Round, Bluish Green, 4.87 x 4.87)
- 0.5ct Benitoite (Round, Blue, 4.89 x 4.89) vs. 0.5ct Sapphire (Round, Blue, 4.75 x 4.75)
- 0.5ct Benitoite (Round, Blue, 4.89 x 4.89) vs. 0.5ct Ruby (Round, Red, 4.75 x 4.75)
- 0.5ct Benitoite (Round, Blue, 4.89 x 4.89) vs. 0.75ct Alexandrite (Round, Bluish Green, 5.57 x 5.57)
- 0.5ct Benitoite (Round, Blue, 4.89 x 4.89) vs. 1ct Alexandrite (Round, Bluish Green, 6.14 x 6.14)
- 0.5ct Benitoite (Round, Blue, 4.89 x 4.89) vs. 1.5ct Alexandrite (Round, Bluish Green, 7.02 x 7.02)
- 1ct Benitoite (Round, Light Blue, 6.16 x 6.16) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)