0.55ct Diamond (Round, 5.33×5.33mm, White) vs 1.29ct Sapphire (Cushion, 6.34×5.56mm, Blue)
Quick summary: When looked from above (face-up position), 1.29ct Sapphire (6.34×5.56mm, cushion cut) appears 42% larger than 0.55ct Diamond (5.33×5.33mm, round cut). See below how they compare side-by-side on a ring and finger.
| 0.55ct Diamond (round cut) |
vs
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1.29ct Sapphire (cushion cut) |
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white |
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| 5.33×5.33 mm | 6.34×5.56 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
0.55ct Diamond Round (5.33×5.33mm, White)
and
1.29ct Sapphire Cushion (6.34×5.56mm, 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.
| 0.55 Ct Diamond (Round) | 1.29 Ct Sapphire (Cushion) | |
| 5.33×5.33 mm | vs | 6.34×5.56 mm |
| 22.31 mm² | 31.73 mm² |
| 0.55ct Diamond Round (5.33×5.33mm) | |
| 1.29ct Sapphire Cushion (6.34×5.56mm) | |
| Difference: 42% (9.42 mm²) |
1.29ct Sapphire (Cushion, 6.34×5.56mm) has approx. 42% more face-up area than 0.55ct Diamond (Round, 5.33×5.33mm).
Popular comparisons:
- 0.55ct Diamond (Round, White, 5.33 x 5.33) vs. 0.6ct Diamond (Round, White, 5.48 x 5.48)
- 0.55ct Diamond (Round, White, 5.33 x 5.33) vs. 0.71ct Diamond (Round, White, 5.8 x 5.8)
- 0.55ct Diamond (Round, White, 5.33 x 5.33) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.55ct Diamond (Round, White, 5.33 x 5.33) vs. 0.5ct Diamond (Round, White, 5.16 x 5.16)
- 0.55ct Diamond (Round, White, 5.33 x 5.33) vs. 0.7ct Diamond (Round, White, 5.77 x 5.77)
- 0.55ct Diamond (Round, White, 5.33 x 5.33) vs. 1.29ct Diamond (Round, White, 7.08 x 7.08)
- 0.55ct Diamond (Round, White, 5.33 x 5.33) vs. 0.3ct Diamond (Round, White, 4.35 x 4.35)
- 0.55ct Diamond (Round, White, 5.33 x 5.33) vs. 0.05ct Diamond (Round, White, 2.39 x 2.39)