0.25ct Diamond (Marquise, 6.54×3.27mm, White) vs 0.25ct Moissanite (Marquise, 6.58×3.29mm, White)
Quick summary: When looked from above (face-up position), 0.25ct Moissanite (6.58×3.29mm, marquise cut) appears 1% larger than 0.25ct Diamond (6.54×3.27mm, marquise cut). See below how they compare side-by-side on a ring and finger.
| 0.25ct Diamond (marquise cut) |
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0.25ct Moissanite (marquise cut) |
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white |
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| 6.54×3.27 mm | 6.58×3.29 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
0.25ct Diamond Marquise (6.54×3.27mm, White)
and
0.25ct Moissanite Marquise (6.58×3.29mm, 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.
| 0.25 Ct Diamond (Marquise) | 0.25 Ct Moissanite (Marquise) | |
| 6.54×3.27 mm | vs | 6.58×3.29 mm |
| 15.18 mm² | 15.37 mm² |
| 0.25ct Diamond Marquise (6.54×3.27mm) | |
| 0.25ct Moissanite Marquise (6.58×3.29mm) | |
| Difference: 1% (0.19 mm²) |
0.25ct Moissanite (Marquise, 6.58×3.29mm) has approx. 1% more face-up area than 0.25ct Diamond (Marquise, 6.54×3.27mm).
Popular comparisons:
- 0.25ct Diamond (Marquise, White, 6.54 x 3.27) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.25ct Diamond (Marquise, White, 6.54 x 3.27) vs. 0.1ct Diamond (Marquise, White, 4.82 x 2.41)
- 0.25ct Diamond (Marquise, White, 6.54 x 3.27) vs. 0.3ct Diamond (Marquise, White, 6.96 x 3.48)
- 0.25ct Diamond (Marquise, White, 6.54 x 3.27) vs. 1ct Sapphire (Oval, Blue, 7 x 5)
- 0.25ct Diamond (Marquise, White, 6.54 x 3.27) vs. 0.06ct Diamond (Marquise, White, 4.06 x 2.03)
- 0.25ct Diamond (Marquise, White, 6.54 x 3.27) vs. 1ct Diamond (Emerald, White, 6.68 x 4.95)
- 0.25ct Diamond (Marquise, White, 6.54 x 3.27) vs. 4ct Emerald (Emerald, Green, 11.56 x 8.56)
- 0.25ct Diamond (Marquise, White, 6.54 x 3.27) vs. 1ct Diamond (Marquise, White, 10.38 x 5.19)
- 0.25ct Diamond (Marquise, White, 6.54 x 3.27) vs. 0.12ct Diamond (Marquise, White, 5.12 x 2.56)