4ct Diamond (Marquise, 16×8mm, White) vs 3.5ct Diamond (Marquise, 15.32×7.58mm, White)
Quick summary: When looked from above (face-up position), 4ct Diamond (16×8mm, marquise cut) appears 10% larger than 3.5ct Diamond (15.32×7.58mm, marquise cut). See below how they compare side-by-side on a ring and finger.
| 4ct Diamond (marquise cut) |
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3.5ct Diamond (marquise cut) |
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| 16×8 mm | 15.32×7.58 mm | |
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Actual sizes of
4ct Diamond Marquise (16×8mm, White)
and
3.5ct Diamond Marquise (15.32×7.58mm, 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.
| 4 Ct Diamond (Marquise) | 3.5 Ct Diamond (Marquise) | |
| 16×8 mm | vs | 15.32×7.58 mm |
| 90.88 mm² | 82.45 mm² |
| 4ct Diamond Marquise (16×8mm) | |
| 3.5ct Diamond Marquise (15.32×7.58mm) | |
| Difference: 10% (8.43 mm²) |
4ct Diamond Marquise (16×8mm) has approx. 10% more face-up area than 3.5ct Diamond Marquise (15.32×7.58mm).
Popular comparisons:
- 4ct Diamond (Marquise, White, 16 x 8) vs. 4.5ct Diamond (Marquise, White, 17.14 x 8.57)
- 4ct Diamond (Marquise, White, 16 x 8) vs. 4ct Diamond (Marquise, White, 16 x 9)
- 4ct Diamond (Marquise, White, 16 x 8) vs. 5ct Diamond (Marquise, White, 18 x 9)
- 4ct Diamond (Marquise, White, 16 x 8) vs. 3.35ct Diamond (Marquise, White, 15.32 x 7.58)
- 4ct Diamond (Marquise, White, 16 x 8) vs. 5ct Diamond (Marquise, White, 17.76 x 8.88)
- 4ct Diamond (Marquise, White, 16 x 8) vs. 3.25ct Diamond (Marquise, White, 15.32 x 7.58)
- 0.3ct Diamond (Marquise, White, 7 x 3.5) vs. 0.4ct Diamond (Round, White, 4.79 x 4.79)
- 2ct Diamond (Marquise, White, 13.08 x 6.54) vs. 2.5ct Diamond (Oval, White, 11.01 x 7.34)
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Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.