3.5ct Diamond (Marquise, 15.78×7.89mm, White) vs 4ct Diamond (Marquise, 16.48×8.24mm, White)
Quick summary: When looked from above (face-up position), 4ct Diamond (16.48×8.24mm, marquise cut) appears 9% larger than 3.5ct Diamond (15.78×7.89mm, marquise cut). See below how they compare side-by-side on a ring and finger.
| 3.5ct Diamond (marquise cut) |
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4ct Diamond (marquise cut) |
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white |
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| 15.78×7.89 mm | 16.48×8.24 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
3.5ct Diamond Marquise (15.78×7.89mm, White)
and
4ct Diamond Marquise (16.48×8.24mm, 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.
| 3.5 Ct Diamond (Marquise) | 4 Ct Diamond (Marquise) | |
| 15.78×7.89 mm | vs | 16.48×8.24 mm |
| 88.4 mm² | 96.41 mm² |
| 3.5ct Diamond Marquise (15.78×7.89mm) | |
| 4ct Diamond Marquise (16.48×8.24mm) | |
| Difference: 9% (8.01 mm²) |
4ct Diamond (Marquise, 16.48×8.24mm) has approx. 9% more face-up area than 3.5ct Diamond (Marquise, 15.78×7.89mm).
Popular comparisons:
- 3.5ct Diamond (Marquise, White, 15.78 x 7.89) vs. 5ct Diamond (Marquise, White, 18 x 9)
- 3.5ct Diamond (Marquise, White, 15.78 x 7.89) vs. 5ct Diamond (Cushion, White, 10.5 x 9.4)
- 3.5ct Diamond (Marquise, White, 15.78 x 7.89) vs. 3.5ct Diamond (Emerald, White, 10.14 x 7.51)
- 3.5ct Diamond (Marquise, White, 15.78 x 7.89) vs. 3ct Diamond (Pear, White, 13.05 x 7.86)
- 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)
- 0.5ct Diamond (Marquise, White, 8.24 x 4.12) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)