0.9ct Diamond (Round, 6.28×6.28mm, White) vs 1.46ct Sapphire (Round, 6.78×6.78mm, Blue)
Quick summary: When looked from above (face-up position), 1.46ct Sapphire (6.78×6.78mm, round cut) appears 17% 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) |
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1.46ct Sapphire (round cut) |
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white |
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| 6.28×6.28 mm | 6.78×6.78 mm | |
| actual size | ||
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Actual sizes of
0.9ct Diamond Round (6.28×6.28mm, White)
and
1.46ct Sapphire Round (6.78×6.78mm, Blue)
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
All things being equal, Sapphire will face-up smaller than Diamond for a given
carat weight, because it has higher specific gravity
(4 vs. 3.52 - this means it's "heavier" compared to Diamond of the same size). Face-up size also depends heavily on 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.
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) | 1.46 Ct Sapphire (Round) | |
| 6.28×6.28 mm | vs | 6.78×6.78 mm |
| 30.97 mm² | 36.1 mm² |
| 0.9ct Diamond Round (6.28×6.28mm) | |
| 1.46ct Sapphire Round (6.78×6.78mm) | |
| Difference: 17% (5.13 mm²) |
1.46ct Sapphire Round (6.78×6.78mm) has approx. 17% 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, 5.77 x 5.77)
- 0.9ct Diamond (Round, White, 6.28 x 6.28) vs. 1.2ct Diamond (Round, White, 6.91 x 6.91)
- 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. 0.8ct Diamond (Round, White, 6.03 x 6.03)
- 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. 0.85ct Diamond (Round, White, 6.16 x 6.16)
- 0.9ct Diamond (Round, White, 6.28 x 6.28) vs. 1ct Diamond (Cushion, White, 5.63 x 5.61)
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.