0.8ct Diamond (Princess, 5.12×5.12mm, White) vs 0.4ct Sapphire (Pear, 6.13×3.69mm, Blue)
Quick summary: When looked from above (face-up position), 0.8ct Diamond (5.12×5.12mm, princess cut) appears 59% larger than 0.4ct Sapphire (6.13×3.69mm, pear cut). See below how they compare side-by-side on a ring and finger.
| 0.8ct Diamond (princess cut) |
vs
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0.4ct Sapphire (pear cut) |
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white |
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| 5.12×5.12 mm | 6.13×3.69 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
0.8ct Diamond Princess (5.12×5.12mm, White)
and
0.4ct Sapphire Pear (6.13×3.69mm, 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.
| 0.8 Ct Diamond (Princess) | 0.4 Ct Sapphire (Pear) | |
| 5.12×5.12 mm | vs | 6.13×3.69 mm |
| 26.21 mm² | 16.51 mm² |
| 0.8ct Diamond Princess (5.12×5.12mm) | |
| 0.4ct Sapphire Pear (6.13×3.69mm) | |
| Difference: 59% (9.7 mm²) |
0.8ct Diamond (Princess, 5.12×5.12mm) has approx. 59% more face-up area than 0.4ct Sapphire (Pear, 6.13×3.69mm).
Popular comparisons:
- 0.8ct Diamond (Princess, White, 5.12 x 5.12) vs. 0.75ct Diamond (Princess, White, 5.01 x 5.01)
- 0.8ct Diamond (Princess, White, 5.12 x 5.12) vs. 1ct Diamond (Princess, White, 5.51 x 5.51)
- 0.8ct Diamond (Princess, White, 5.12 x 5.12) vs. 1.5ct Diamond (Princess, White, 6.31 x 6.31)
- 0.8ct Diamond (Princess, White, 5.12 x 5.12) vs. 0.9ct Diamond (Princess, White, 5.32 x 5.32)
- 0.8ct Diamond (Princess, White, 5.12 x 5.12) vs. 1.2ct Diamond (Princess, White, 5.86 x 5.86)
- 0.8ct Diamond (Princess, White, 5.12 x 5.12) vs. 0.84ct Diamond (Round, White, 6.13 x 6.13)
- 0.8ct Diamond (Princess, White, 5.12 x 5.12) vs. 0.5ct Diamond (Princess, White, 4.37 x 4.37)
- 0.8ct Diamond (Princess, White, 5.12 x 5.12) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)