4ct Diamond (Round, 10.32×10.32mm, White) vs 3.5ct Diamond (Oval, 12.32×8.21mm, White)
Quick summary: When looked from above (face-up position), 4ct Diamond (10.32×10.32mm, round cut) appears 0.9% larger than 3.5ct Diamond (12.32×8.21mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 4ct Diamond (round cut) |
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3.5ct Diamond (oval cut) |
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white |
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| 10.32×10.32 mm | 12.32×8.21 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
4ct Diamond Round (10.32×10.32mm, White)
and
3.5ct Diamond Oval (12.32×8.21mm, 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 (Round) | 3.5 Ct Diamond (Oval) | |
| 10.32×10.32 mm | vs | 12.32×8.21 mm |
| 83.65 mm² | 82.94 mm² |
| 4ct Diamond Round (10.32×10.32mm) | |
| 3.5ct Diamond Oval (12.32×8.21mm) | |
| Difference: 0.9% (0.71 mm²) |
4ct Diamond (Round, 10.32×10.32mm) has approx. 0.9% more face-up area than 3.5ct Diamond (Oval, 12.32×8.21mm).
Popular comparisons:
- 4ct Diamond (Round, White, 10.32 x 10.32) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 4ct Diamond (Round, White, 10.32 x 10.32) vs. 4.5ct Diamond (Round, White, 10.73 x 10.73)
- 4ct Diamond (Round, White, 10.32 x 10.32) vs. 5ct Diamond (Round, White, 11.11 x 11.11)
- 4ct Diamond (Round, White, 10.32 x 10.32) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 4ct Diamond (Round, White, 10.32 x 10.32) vs. 4ct Diamond (Oval, White, 12.89 x 8.59)
- 4ct Diamond (Round, White, 10.32 x 10.32) vs. 0.5ct Sapphire (Round, Blue, 4.75 x 4.75)
- 4ct Diamond (Round, White, 10.32 x 10.32) vs. 4.5ct Diamond (Emerald, White, 11.6 x 7.75)
- 4ct Diamond (Round, White, 10.32 x 10.32) vs. 8ct Diamond (Round, White, 13 x 13)