12 Carat Benitoite (Cushion, 13.07×13.07mm, Blue)
Color:
Actual size is set for screen
How big is a 12 carat cushion-cut Benitoite?
It depends on the cut parameters and length-to-width ratio, but a typical size of a 12ct square cushion-cut Benitoite would be around 13.07×13.07 mm (±6%). Check 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 |
78 % |
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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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Cushion |
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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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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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13.07 mm |
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Width:
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13.07 mm |
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Est. face-up size:
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153.74 mm² |
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Volume:
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657.53 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:
- 0.15ct Benitoite (Cushion, Dark Blue, 3.06 x 3.06) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.65ct Benitoite (Cushion, Blue, 4.99 x 4.99) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.5ct Benitoite (Cushion, Blue, 4.58 x 4.58) vs. 0.21ct Spinel (Cushion, Blue, 3.5 x 2.8)
- 0.5ct Benitoite (Cushion, Blue, 4.58 x 4.58) vs. 0.5ct Tourmaline (Cushion, Light Green , 4.83 x 4.83)
- 20ct Benitoite (Cushion, Blue, 15.65 x 15.65) vs. 8.3ct Emerald (Emerald, Green, 14.74 x 10.92)
- 0.81ct Benitoite (Cushion, Dark Blue, 5.37 x 5.37) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.19ct Benitoite (Cushion, Dark Blue, 6.11 x 6.11) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.19ct Benitoite (Cushion, Dark Blue, 7 x 5) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)