0.7ct Diamond (Round, 5.5×5.5mm, White) vs 1.28ct Diamond (Cushion, 6.4×6.4mm, White)
Quick summary: When looked from above (face-up position), 1.28ct Diamond (6.4×6.4mm, cushion cut) appears 55% larger than 0.7ct Diamond (5.5×5.5mm, round cut). See below how they compare side-by-side on a ring and finger.
| 0.7ct Diamond (round cut) |
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1.28ct Diamond (cushion cut) |
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white |
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| 5.5×5.5 mm | 6.4×6.4 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
0.7ct Diamond Round (5.5×5.5mm, White)
and
1.28ct Diamond Cushion (6.4×6.4mm, 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.
| 0.7 Ct Diamond (Round) | 1.28 Ct Diamond (Cushion) | |
| 5.5×5.5 mm | vs | 6.4×6.4 mm |
| 23.76 mm² | 36.86 mm² |
| 0.7ct Diamond Round (5.5×5.5mm) | |
| 1.28ct Diamond Cushion (6.4×6.4mm) | |
| Difference: 55% (13.1 mm²) |
1.28ct Diamond (Cushion, 6.4×6.4mm) has approx. 55% more face-up area than 0.7ct Diamond (Round, 5.5×5.5mm).
Popular comparisons:
- 0.7ct Diamond (Round, White, 5.5 x 5.5) vs. 0.9ct Diamond (Round, White, 6.06 x 6.06)
- 0.7ct Diamond (Round, White, 5.5 x 5.5) vs. 0.75ct Diamond (Round, White, 5.95 x 5.95)
- 0.7ct Diamond (Round, White, 5.5 x 5.5) vs. 1.28ct Diamond (Round, White, 6.9 x 6.96)
- 0.7ct Diamond (Round, White, 5.5 x 5.5) vs. 1ct Diamond (Cushion, White, 6.5 x 6.5)
- 0.7ct Diamond (Round, White, 5.5 x 5.5) vs. 0.7ct Diamond (Emerald, White, 5.7 x 4.34)
- 0.7ct Diamond (Round, White, 5.5 x 5.5) vs. 1.28ct Diamond (Round, White, 6.9 x 6.9)
- 0.7ct Diamond (Round, White, 5.5 x 5.5) vs. 1.28ct Diamond (Cushion, White, 6.33 x 6.33)
- 0.7ct Diamond (Round, White, 5.5 x 5.5) vs. 1.28ct Diamond (Cushion, White, 6.4 x 5.73)