1.28ct Diamond (Round, 6.6×6.6mm, White) vs 1.75ct Diamond (Round, 7.05×7.05mm, White)
Quick summary: When looked from above (face-up position), 1.75ct Diamond (7.05×7.05mm, round cut) appears 14% larger than 1.28ct Diamond (6.6×6.6mm, round cut). See below how they compare side-by-side on a ring and finger.
| 1.28ct Diamond (round cut) |
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1.75ct Diamond (round cut) |
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white |
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| 6.6×6.6 mm | 7.05×7.05 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
1.28ct Diamond Round (6.6×6.6mm, White)
and
1.75ct Diamond Round (7.05×7.05mm, 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.
| 1.28 Ct Diamond (Round) | 1.75 Ct Diamond (Round) | |
| 6.6×6.6 mm | vs | 7.05×7.05 mm |
| 34.21 mm² | 39.04 mm² |
| 1.28ct Diamond Round (6.6×6.6mm) | |
| 1.75ct Diamond Round (7.05×7.05mm) | |
| Difference: 14% (4.83 mm²) |
1.75ct Diamond (Round, 7.05×7.05mm) has approx. 14% more face-up area than 1.28ct Diamond (Round, 6.6×6.6mm).
Popular comparisons:
- 1.28ct Diamond (Round, White, 6.6 x 6.6) vs. 1.54ct Diamond (Marquise, White, 14 x 5.9)
- 1.28ct Diamond (Round, White, 6.6 x 6.6) vs. 0.95ct Diamond (Round, White, 6.39 x 6.39)
- 1.28ct Diamond (Round, White, 6.6 x 6.6) vs. 1.5ct Diamond (Round, White, 7.6 x 7.28)
- 1.28ct Diamond (Round, White, 6.6 x 6.6) vs. 2ct Diamond (Princess, White, 7.05 x 7.05)
- 1.28ct Diamond (Round, White, 6.6 x 6.6) vs. 1.75ct Diamond (Round, White, 7.75 x 7.75)
- 1.28ct Diamond (Round, White, 6.6 x 6.6) vs. 0.9ct Diamond (Round, White, 6.2 x 6.2)
- 1.28ct Diamond (Round, White, 6.6 x 6.6) vs. 1.6ct Diamond (Cushion, White, 6.81 x 6.81)
- 1.28ct Diamond (Round, White, 6.6 x 6.6) vs. 1.5ct Diamond (Round, White, 7.28 x 7.28)