1ct Diamond (Oval, 8.25×5.75mm, White) vs 3ct Diamond (Cushion, 8.4×8.4mm, White)
Quick summary: When looked from above (face-up position), 3ct Diamond (8.4×8.4mm, cushion cut) appears 63% larger than 1ct Diamond (8.25×5.75mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 1ct Diamond (oval cut) |
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3ct Diamond (cushion cut) |
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white |
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| 8.25×5.75 mm | 8.4×8.4 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
1ct Diamond Oval (8.25×5.75mm, White)
and
3ct Diamond Cushion (8.4×8.4mm, 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.
| 1 Ct Diamond (Oval) | 3 Ct Diamond (Cushion) | |
| 8.25×5.75 mm | vs | 8.4×8.4 mm |
| 38.9 mm² | 63.5 mm² |
| 1ct Diamond Oval (8.25×5.75mm) | |
| 3ct Diamond Cushion (8.4×8.4mm) | |
| Difference: 63% (24.6 mm²) |
3ct Diamond (Cushion, 8.4×8.4mm) has approx. 63% more face-up area than 1ct Diamond (Oval, 8.25×5.75mm).
Popular comparisons:
- 1ct Diamond (Oval, White, 8.25 x 5.75) vs. 3ct Diamond (Cushion, White, 8 x 8)
- 1ct Diamond (Oval, White, 8.25 x 5.75) vs. 1ct Diamond (Oval, White, 8.5 x 5.5)
- 1ct Diamond (Oval, White, 8.25 x 5.75) vs. 1ct Diamond (Cushion, White, 5.83 x 5.83)
- 1ct Diamond (Oval, White, 8.25 x 5.75) vs. 2ct Diamond (Cushion, White, 7.34 x 7.34)
- 1ct Diamond (Oval, White, 8 x 6) vs. 1ct Sapphire (Oval, Blue, 7 x 5)
- 2ct Diamond (Oval, White, 10 x 7) vs. 1.8ct Diamond (Oval, White, 9 x 7)
- 2.5ct Diamond (Oval, White, 10 x 7) vs. 1ct Diamond (Oval, White, 9 x 6)
- 3.25ct Diamond (Oval, White, 12.02 x 8.01) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)