1.25 Carat Moissanite (Marquise, 11.26×5.63mm, White)
Color:
Actual size is set for screen
How big is a 1.25 carat marquise-cut Moissanite?
It depends on the cut parameters and length-to-width ratio, but a typical size of a 1.25ct marquise-cut Moissanite would be around 11.26×5.63 mm (±6%). The lw ratio of this Moissanite 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 |
34 % |
|
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
|
Name:
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Moissanite |
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Shape:
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Marquise |
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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:
|
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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1.25 ct |
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Gram weight:
|
0.25 g (0.0088 ounces) |
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Points:
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125 pts |
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Length:
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11.26 mm |
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Width:
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5.63 mm |
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Est. face-up size:
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45.01 mm² |
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Volume:
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77.64 mm³ |
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Length-to-width ratio:
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2 |
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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:
- 2ct Moissanite (Marquise, White, 13.16 x 6.58) vs. 3ct Moissanite (Marquise, White, 15.08 x 7.54)
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
- 1ct Kyanite (Oval, Blue, 7.77 x 5.18) vs. 1ct Tanzanite (Oval, Blue, 8.07 x 5.38)
- 1ct Aquamarine (Oval, Light Blue, 8 x 6) vs. 1ct Spinel (Oval, Gray, 8 x 6)
- 1.16ct Diamond (Round, White, 6.82 x 6.85) vs. 1.2ct Diamond (Round, White, 6.82 x 6.86)
- 6ct Morganite (Cushion, Light Red, 12 x 10) vs. 3.5ct Sapphire (Cushion, Blue, 8.49 x 8.49)
- 1ct Alexandrite (Round, Bluish Green, 6.14 x 6.14) vs. 1ct Emerald (Emerald, Yellowish Green, 7.28 x 5.39)