3 Carat Moissanite (Round, 9.67mm, White)
Color:
Actual size is set for screen
How big is a 3 carat round-cut Moissanite?
It depends on the cut proportions, but typically a 3ct round-cut Moissanite would measure around 9.67 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 |
58 % |
|
Saved...
|
|
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Ring diameter:
16.9 mm
|
Additional Info
Named after French chemist Henri Moissan, who discovered it in 1893, natural moissanite is extremely rare and not used for jewelry. Lab-created moissanite, however, is a very popular diamond simulant - and significantly cheaper than diamonds.
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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Moissanite |
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Shape:
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Round |
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Chemical Formula:
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SiC |
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Crystal Structure:
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Hexagonal |
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Hardness:
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9 - 9.5 |
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Specific Gravity
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3.22 |
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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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9.67 mm |
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Width:
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9.67 mm |
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Average diameter:
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9.67 mm |
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Est. face-up size:
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73.44 mm² |
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Volume:
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186.34 mm³ |
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Length-to-width ratio:
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1 |
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Refractive Index:
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2.65 - 2.69 |
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Luster:
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Adamantine |
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Wearability:
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Excellent |
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Care Instructions:
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No special or unusual care |
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Color:
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Moissanite can be found in the following colors:
            
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Birthstone:
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Moissanite is not an official birthstone of any month |
Popular comparisons:
- 1ct Moissanite (Round, White, 6.71 x 6.71) vs. 1ct Cubic Zirconia (Round, White, 5.4 x 5.4)
- 1ct Moissanite (Round, White, 6.43 x 6.43) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Moissanite (Round, White, 6.71 x 6.71) vs. 1ct Almandine (Round, Dark Red, 5.95 x 5.95)
- 1ct Moissanite (Round, White, 6.43 x 6.43) vs. 1ct Diamond (Round, Orange, 6.24 x 6.24)
- 0.91ct Moissanite (Round, White, 6.23 x 6.23) vs. 1ct Diamond (Round, Red, 6.24 x 6.24)
- 1.25ct Moissanite (Round, White, 6.92 x 6.92) vs. 1ct Diamond (Round, Orange, 6.24 x 6.24)
- 18ct Moissanite (Round, White, 16.84 x 16.84) vs. 1ct Diamond (Round, Orange, 6.24 x 6.24)
- 1ct Moissanite (Round, White, 6.71 x 6.71) vs. 1ct Diamond (Round, Red, 6.24 x 6.24)
Use the simulator on this page to play around with different ring and finger configurations.