0.87ct Diamond (Round, 6.21×6.21mm, White) vs 1ct Diamond (Round, 6.5×6.5mm, White)
Quick summary: When looked from above (face-up position), 1ct Diamond (6.5×6.5mm, round cut) appears 10% larger than 0.87ct Diamond (6.21×6.21mm, round cut). See below how they compare side-by-side on a ring and finger.
| 0.87ct Diamond (round cut) |
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1ct Diamond (round cut) |
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| 6.21×6.21 mm | 6.5×6.5 mm | |
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Actual sizes of
0.87ct Diamond Round (6.21×6.21mm, White)
and
1ct Diamond Round (6.5×6.5mm, 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.
| 0.87 Ct Diamond (Round) | 1 Ct Diamond (Round) | |
| 6.21×6.21 mm | vs | 6.5×6.5 mm |
| 30.29 mm² | 33.18 mm² |
| 0.87ct Diamond Round (6.21×6.21mm) | |
| 1ct Diamond Round (6.5×6.5mm) | |
| Difference: 10% (2.89 mm²) |
1ct Diamond Round (6.5×6.5mm) has approx. 10% more face-up area than 0.87ct Diamond Round (6.21×6.21mm).
Popular comparisons:
- 0.87ct Diamond (Round, White, 6.21 x 6.21) vs. 1ct Alexandrite (Oval, Bluish Green, 6.44 x 5.6)
- 0.87ct Diamond (Round, White, 6.21 x 6.21) vs. 0.93ct Emerald (Round, Green, 6.65 x 6.65)
- 0.87ct Diamond (Round, White, 6.21 x 6.21) vs. 1.25ct Sapphire (Oval, Blue, 8.15 x 5.43)
- 0.87ct Diamond (Round, White, 6.21 x 6.21) vs. 0.9ct Diamond (Round, White, 6.28 x 6.28)
- 0.87ct Diamond (Round, White, 6.21 x 6.21) vs. 0.75ct Emerald (Round, Green, 6.19 x 6.19)
- 0.1ct Diamond (Round, White, 3.02 x 3.02) vs. 0.15ct Diamond (Round, White, 3.45 x 3.45)
- 1.5ct Diamond (Round, White, 7.5 x 7.5) vs. 2ct Diamond (Round, White, 8 x 8)
- 20ct Diamond (Round, White, 17.64 x 17.64) vs. 1ct Emerald (Round, Green, 6.82 x 6.82)
Enter your screen size (diagonal)
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Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.