0.9ct Diamond (Round, 6.28×6.28mm, White) vs 1.2ct Diamond (Round, 6.91×6.91mm, White)
Quick summary: When looked from above (face-up position), 1.2ct Diamond (6.91×6.91mm, round cut) appears 21% larger than 0.9ct Diamond (6.28×6.28mm, round cut). See below how they compare side-by-side on a ring and finger.
| 0.9ct Diamond (round cut) |
vs
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1.2ct Diamond (round cut) |
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white |
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| 6.28×6.28 mm | 6.91×6.91 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
0.9ct Diamond Round (6.28×6.28mm, White)
and
1.2ct Diamond Round (6.91×6.91mm, 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.
| 0.9 Ct Diamond (Round) | 1.2 Ct Diamond (Round) | |
| 6.28×6.28 mm | vs | 6.91×6.91 mm |
| 30.97 mm² | 37.5 mm² |
| 0.9ct Diamond Round (6.28×6.28mm) | |
| 1.2ct Diamond Round (6.91×6.91mm) | |
| Difference: 21% (6.53 mm²) |
1.2ct Diamond (Round, 6.91×6.91mm) has approx. 21% more face-up area than 0.9ct Diamond (Round, 6.28×6.28mm).
Popular comparisons:
- 0.9ct Diamond (Round, White, 6.28 x 6.28) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 0.9ct Diamond (Round, White, 6.28 x 6.28) vs. 0.7ct Diamond (Round, White, 5.67 x 5.69)
- 0.9ct Diamond (Round, White, 6.28 x 6.28) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.9ct Diamond (Round, White, 6.28 x 6.28) vs. 1.46ct Sapphire (Round, Blue, 6.78 x 6.78)
- 0.9ct Diamond (Round, White, 6.28 x 6.28) vs. 1ct Diamond (Cushion, White, 5.63 x 5.61)
- 0.9ct Diamond (Round, White, 6.28 x 6.28) vs. 1.25ct Diamond (Round, White, 7 x 7)
- 0.9ct Diamond (Round, White, 6.28 x 6.28) vs. 0.57ct Diamond (Round, White, 5.39 x 5.39)
- 0.9ct Diamond (Round, White, 6.28 x 6.28) vs. 0.75ct Diamond (Round, White, 5.91 x 5.91)