1ct Sapphire (Princess, 5.37×5.37mm, White) vs 0.7ct Diamond (Round, 5.77×5.77mm, White)
Quick summary: When looked from above (face-up position), 1ct Sapphire (5.37×5.37mm, princess cut) appears 10% larger than 0.7ct Diamond (5.77×5.77mm, round cut). See below how they compare side-by-side on a ring and finger.
| 1ct Sapphire (princess cut) |
vs
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0.7ct Diamond (round cut) |
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white |
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| 5.37×5.37 mm | 5.77×5.77 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
1ct Sapphire Princess (5.37×5.37mm, White)
and
0.7ct Diamond Round (5.77×5.77mm, 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 (Princess) | 0.7 Ct Diamond (Round) | |
| 5.37×5.37 mm | vs | 5.77×5.77 mm |
| 28.84 mm² | 26.15 mm² |
| 1ct Sapphire Princess (5.37×5.37mm) | |
| 0.7ct Diamond Round (5.77×5.77mm) | |
| Difference: 10% (2.69 mm²) |
1ct Sapphire (Princess, 5.37×5.37mm) has approx. 10% more face-up area than 0.7ct Diamond (Round, 5.77×5.77mm).
Popular comparisons:
- 1ct Sapphire (Princess, White, 5.37 x 5.37) vs. 1ct Diamond (Princess, White, 5.51 x 5.51)
- 1ct Sapphire (Princess, White, 5.37 x 5.37) vs. 0.7ct Diamond (Princess, White, 4.86 x 4.75)
- 1ct Sapphire (Princess, White, 5.37 x 5.37) vs. 0.5ct Diamond (Princess, White, 4.37 x 4.37)
- 1ct Sapphire (Princess, White, 5.37 x 5.37) vs. 0.7ct Diamond (Emerald, White, 6.49 x 4.56)
- 1ct Sapphire (Princess, White, 5.37 x 5.37) vs. 0.4ct Emerald (Princess, Green, 4.51 x 4.51)
- 1ct Sapphire (Princess, White, 5.37 x 5.37) vs. 0.4ct Sapphire (Princess, Blue, 3.96 x 3.96)
- 1ct Sapphire (Princess, White, 5.37 x 5.37) vs. 1ct Sapphire (Round, Blue, 5.98 x 5.98)
- 1ct Sapphire (Princess, White, 5.37 x 5.37) vs. 1ct Diamond (Princess, White, 5.9 x 5.9)