8.5ct Diamond (Round, 13.27×13.27mm, White) vs 1ct Diamond (Round, 6.5×6.5mm, White)
Quick summary: When looked from above (face-up position), 8.5ct Diamond (13.27×13.27mm, round cut) appears 4.2 times larger than 1ct Diamond (6.5×6.5mm, round cut). See below how they compare side-by-side on a ring and finger.
| 8.5ct Diamond (round cut) |
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1ct Diamond (round cut) |
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white |
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| 13.27×13.27 mm | 6.5×6.5 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
8.5ct Diamond Round (13.27×13.27mm, 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.
| 8.5 Ct Diamond (Round) | 1 Ct Diamond (Round) | |
| 13.27×13.27 mm | vs | 6.5×6.5 mm |
| 138.3 mm² | 33.18 mm² |
| 8.5ct Diamond Round (13.27×13.27mm) | |
| 1ct Diamond Round (6.5×6.5mm) | |
| Difference: 317% (105.12 mm²) |
8.5ct Diamond (Round, 13.27×13.27mm) has approx. 317% more face-up area than 1ct Diamond (Round, 6.5×6.5mm). In other words, it's 4.17x larger.
Popular comparisons:
- 8.5ct Diamond (Round, White, 13.27 x 13.27) vs. 4.12ct Diamond (Round, White, 10.42 x 10.42)
- 8.5ct Diamond (Round, White, 13.27 x 13.27) vs. 10ct Diamond (Round, White, 14 x 14)
- 8.5ct Diamond (Round, White, 13.27 x 13.27) vs. 9ct Diamond (Round, White, 13.52 x 13.52)
- 8.5ct Diamond (Round, White, 13.27 x 13.27) vs. 15.61ct Diamond (Oval, Yellow, 21.53 x 12.92)
- 8.5ct Diamond (Round, White, 13.27 x 13.27) vs. 9.15ct Diamond (Round, White, 13.6 x 13.6)
- 8.5ct Diamond (Round, White, 13.27 x 13.27) vs. 8ct Diamond (Marquise, White, 20.78 x 10.39)
- 8.5ct Diamond (Round, White, 13.27 x 13.27) vs. 12.84ct Diamond (Cushion, Yellow, 15.69 x 11.22)
- 0.1ct Diamond (Round, White, 3.02 x 3.02) vs. 0.15ct Diamond (Round, White, 3.45 x 3.45)