3ct Diamond (Oval, 10×8mm, White) vs 4ct Diamond (Round, 10×10mm, White)
Quick summary: When looked from above (face-up position), 4ct Diamond (10×10mm, round cut) appears 20% larger than 3ct Diamond (10×8mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 3ct Diamond (oval cut) |
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4ct Diamond (round cut) |
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white |
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| 10×8 mm | 10×10 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
3ct Diamond Oval (10×8mm, White)
and
4ct Diamond Round (10×10mm, 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.
| 3 Ct Diamond (Oval) | 4 Ct Diamond (Round) | |
| 10×8 mm | vs | 10×10 mm |
| 65.6 mm² | 78.54 mm² |
| 3ct Diamond Oval (10×8mm) | |
| 4ct Diamond Round (10×10mm) | |
| Difference: 20% (12.94 mm²) |
4ct Diamond (Round, 10×10mm) has approx. 20% more face-up area than 3ct Diamond (Oval, 10×8mm).
Popular comparisons:
- 3ct Diamond (Oval, White, 10 x 8) vs. 2ct Diamond (Oval, White, 9 x 7)
- 3ct Diamond (Oval, White, 10 x 8) vs. 2.5ct Diamond (Oval, White, 9 x 7)
- 3ct Diamond (Oval, White, 10 x 8) vs. 5ct Diamond (Oval, White, 14 x 9)
- 3ct Diamond (Oval, White, 10 x 8) vs. 4ct Diamond (Oval, White, 11 x 9)
- 3ct Diamond (Oval, White, 10 x 8) vs. 3ct Diamond (Oval, White, 11.7 x 7.8)
- 3ct Diamond (Oval, White, 10 x 8) vs. 3ct Diamond (Round, White, 9 x 9)
- 3ct Diamond (Oval, White, 10 x 8) vs. 4ct Sapphire (Oval, White, 12 x 8)
- 3ct Diamond (Oval, White, 10 x 8) vs. 4ct Diamond (Oval, White, 12.89 x 8.59)