1ct Sapphire (Emerald, 6.39×4.73mm, Dark Blue) vs 0.5ct Diamond (Cushion, 4.62×4.62mm, White)
Quick summary: When looked from above (face-up position), 1ct Sapphire (6.39×4.73mm, emerald cut) appears 46% larger than 0.5ct Diamond (4.62×4.62mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 1ct Sapphire (emerald cut) |
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0.5ct Diamond (cushion cut) |
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dark blue |
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| 6.39×4.73 mm | 4.62×4.62 mm | |
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Actual sizes of
1ct Sapphire Emerald (6.39×4.73mm, Dark Blue)
and
0.5ct Diamond Cushion (4.62×4.62mm, 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
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.
| 1 Ct Sapphire (Emerald) | 0.5 Ct Diamond (Cushion) | |
| 6.39×4.73 mm | vs | 4.62×4.62 mm |
| 28.11 mm² | 19.21 mm² |
| 1ct Sapphire Emerald (6.39×4.73mm) | |
| 0.5ct Diamond Cushion (4.62×4.62mm) | |
| Difference: 46% (8.9 mm²) |
1ct Sapphire Emerald (6.39×4.73mm) has approx. 46% more face-up area than 0.5ct Diamond Cushion (4.62×4.62mm).
Popular comparisons:
- 1ct Sapphire (Emerald, Dark Blue, 6.39 x 4.73) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Sapphire (Emerald, Dark Blue, 6.39 x 4.73) vs. 0.5ct Zircon (Cushion, White, 4.22 x 4.22)
- 1ct Sapphire (Emerald, Dark Blue, 6.39 x 4.73) vs. 1ct Ruby (Oval, Red, 7.56 x 5.04)
- 1ct Sapphire (Emerald, Dark Blue, 6.39 x 4.73) vs. 2ct Diamond (Cushion, White, 7.34 x 7.34)
- 1ct Sapphire (Emerald, Dark Blue, 6.39 x 4.73) vs. 1ct Diamond (Emerald, White, 6.68 x 4.95)
- 1ct Sapphire (Emerald, Blue, 7 x 5) vs. 1ct Sapphire (Oval, Blue, 7 x 5)
- 2ct Sapphire (Emerald, Blue, 8.05 x 5.96) vs. 2ct Diamond (Emerald, White, 8.42 x 6.24)
- 2ct Sapphire (Emerald, Blue, 8.05 x 5.96) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
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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.