4ct Diamond (Cushion, 9.25×9.25mm, White) vs 3.5ct Diamond (Oval, 12.32×8.21mm, White)
Quick summary: When looked from above (face-up position), 3.5ct Diamond (12.32×8.21mm, oval cut) appears 8% larger than 4ct Diamond (9.25×9.25mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 4ct Diamond (cushion cut) |
vs
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3.5ct Diamond (oval cut) |
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white |
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| 9.25×9.25 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 Cushion (9.25×9.25mm, 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 (Cushion) | 3.5 Ct Diamond (Oval) | |
| 9.25×9.25 mm | vs | 12.32×8.21 mm |
| 77.01 mm² | 82.94 mm² |
| 4ct Diamond Cushion (9.25×9.25mm) | |
| 3.5ct Diamond Oval (12.32×8.21mm) | |
| Difference: 8% (5.93 mm²) |
3.5ct Diamond (Oval, 12.32×8.21mm) has approx. 8% more face-up area than 4ct Diamond (Cushion, 9.25×9.25mm).
Popular comparisons:
- 4ct Diamond (Cushion, White, 9.25 x 9.25) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 4ct Diamond (Cushion, White, 9.25 x 9.25) vs. 5ct Diamond (Cushion, White, 9.96 x 9.96)
- 4ct Diamond (Cushion, White, 9.25 x 9.25) vs. 4ct Diamond (Round, White, 10 x 10)
- 4ct Diamond (Cushion, White, 9.25 x 9.25) vs. 4ct Diamond (Oval, White, 12.89 x 8.59)
- 4ct Diamond (Cushion, White, 9.25 x 9.25) vs. 2ct Diamond (Cushion, White, 7.34 x 7.34)
- 4ct Diamond (Cushion, White, 9.25 x 9.25) vs. 4ct Diamond (Round, White, 10.32 x 10.32)
- 4ct Diamond (Cushion, White, 9.25 x 9.25) vs. 4ct Diamond (Emerald, White, 10.61 x 7.86)
- 4ct Diamond (Cushion, White, 9.25 x 9.25) vs. 4ct Emerald (Cushion, Green, 10.12 x 10.12)