1.25ct Diamond (Marquise, 11.18×5.59mm, White) vs 1.25ct Moissanite (Marquise, 11.26×5.63mm, White)
Quick summary: When looked from above (face-up position), 1.25ct Moissanite (11.26×5.63mm, marquise cut) appears 1% larger than 1.25ct Diamond (11.18×5.59mm, marquise cut). See below how they compare side-by-side on a ring and finger.
| 1.25ct Diamond (marquise cut) |
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1.25ct Moissanite (marquise cut) |
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white |
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| 11.18×5.59 mm | 11.26×5.63 mm | |
| actual size | ||
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Actual size is set for screen
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Ring:
Skin tone:
Ring width: 3.0 mm
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64 mm |
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Actual sizes of
1.25ct Diamond Marquise (11.18×5.59mm, White)
and
1.25ct Moissanite Marquise (11.26×5.63mm, White)
as they would appear on a ring and finger.
Adjust the ring and finger size to get an idea of how these gemstones would look on your finger.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Face-up Size
All things being equal, Diamond will face-up smaller than Moissanite for a given
carat weight, because it has higher specific gravity
(3.52 vs. 3.22 - this means it's "heavier" compared to Moissanite of the same size). Face-up size also depends heavily on the proportions of the cut.
Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.
Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.
| 1.25 Ct Diamond (Marquise) | 1.25 Ct Moissanite (Marquise) | |
| 11.18×5.59 mm | vs | 11.26×5.63 mm |
| 44.37 mm² | 45.01 mm² |
| 1.25ct Diamond Marquise (11.18×5.59mm) | |
| 1.25ct Moissanite Marquise (11.26×5.63mm) | |
| Difference: 1% (0.64 mm²) |
1.25ct Moissanite (Marquise, 11.26×5.63mm) has approx. 1% more face-up area than 1.25ct Diamond (Marquise, 11.18×5.59mm).
Popular comparisons:
- 1.25ct Diamond (Marquise, White, 11.18 x 5.59) vs. 1.5ct Diamond (Pear, White, 10.36 x 6.24)
- 1.25ct Diamond (Marquise, White, 11.18 x 5.59) vs. 2.5ct Diamond (Pear, White, 12.28 x 7.4)
- 1.25ct Diamond (Marquise, White, 11.18 x 5.59) vs. 2.5ct Diamond (Pear, White, 10.5 x 7)
- 1.25ct Diamond (Marquise, White, 11.18 x 5.59) vs. 1.25ct Diamond (Pear, White, 9.74 x 5.87)
- 1.25ct Diamond (Marquise, White, 11.18 x 5.59) vs. 1ct Emerald (Emerald, Light Bluish Green, 7.28 x 5.39)
- 1.25ct Diamond (Marquise, White, 11.18 x 5.59) vs. 1ct Emerald (Cabochon, Light Bluish Green, 7.8 x 5.2)
- 0.3ct Diamond (Marquise, White, 7 x 3.5) vs. 0.4ct Diamond (Round, White, 4.79 x 4.79)
- 0.2ct Diamond (Marquise, White, 6.08 x 3.04) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Diamond (Marquise, White, 10.38 x 5.19) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)