5ct Diamond (Marquise, 18×9mm, White) vs 5ct Diamond (Marquise, 17.5×10mm, White)
Quick summary: When looked from above (face-up position), 5ct Diamond (17.5×10mm, marquise cut) appears 8% larger than 5ct Diamond (18×9mm, marquise cut). See below how they compare side-by-side on a ring and finger.
| 5ct Diamond (marquise cut) |
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5ct Diamond (marquise cut) |
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white |
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| 18×9 mm | 17.5×10 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
5ct Diamond Marquise (18×9mm, White)
and
5ct Diamond Marquise (17.5×10mm, 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
The face-up size depends on the shape of the gem, its weight and 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.
| 5 Ct Diamond (Marquise) | 5 Ct Diamond (Marquise) | |
| 18×9 mm | vs | 17.5×10 mm |
| 115.02 mm² | 124.25 mm² |
| 5ct Diamond Marquise (18×9mm) | |
| 5ct Diamond Marquise (17.5×10mm) | |
| Difference: 8% (9.23 mm²) |
5ct Diamond (Marquise, 17.5×10mm) has approx. 8% more face-up area than 5ct Diamond (Marquise, 18×9mm).
Popular comparisons:
- 5ct Diamond (Marquise, White, 18 x 9) vs. 5ct Diamond (Marquise, White, 16.59 x 8.86)
- 5ct Diamond (Marquise, White, 18 x 9) vs. 3ct Diamond (Marquise, White, 14.98 x 7.49)
- 5ct Diamond (Marquise, White, 18 x 9) vs. 3.5ct Diamond (Marquise, White, 15.32 x 7.58)
- 5ct Diamond (Marquise, White, 18 x 9) vs. 5ct Diamond (Oval, White, 13.19 x 8.45)
- 5ct Diamond (Marquise, White, 18 x 9) vs. 5ct Diamond (Oval, White, 14.63 x 9.19)
- 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)