0.5ct Sapphire (Round, 4.75×4.75mm, Blue) vs 0.1ct Diamond (Round, 3.02×3.02mm, White)
Quick summary: When looked from above (face-up position), 0.5ct Sapphire (4.75×4.75mm, round cut) appears 2.5 times larger than 0.1ct Diamond (3.02×3.02mm, round cut). See below how they compare side-by-side on a ring and finger.
| 0.5ct Sapphire (round cut) |
vs
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0.1ct Diamond (round cut) |
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blue |
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| 4.75×4.75 mm | 3.02×3.02 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
0.5ct Sapphire Round (4.75×4.75mm, Blue)
and
0.1ct Diamond Round (3.02×3.02mm, 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.
| 0.5 Ct Sapphire (Round) | 0.1 Ct Diamond (Round) | |
| 4.75×4.75 mm | vs | 3.02×3.02 mm |
| 17.72 mm² | 7.16 mm² |
| 0.5ct Sapphire Round (4.75×4.75mm) | |
| 0.1ct Diamond Round (3.02×3.02mm) | |
| Difference: 147% (10.56 mm²) |
0.5ct Sapphire (Round, 4.75×4.75mm) has approx. 147% more face-up area than 0.1ct Diamond (Round, 3.02×3.02mm). In other words, it's 2.47x larger.
Popular comparisons:
- 0.5ct Sapphire (Round, Blue, 4.75 x 4.75) vs. 0.5ct Diamond (Round, White, 5.16 x 5.16)
- 0.5ct Sapphire (Round, Blue, 4.75 x 4.75) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.5ct Sapphire (Round, Blue, 4.75 x 4.75) vs. 0.07ct Diamond (Round, White, 2.68 x 2.68)
- 0.5ct Sapphire (Round, Blue, 4.75 x 4.75) vs. 1ct Sapphire (Round, Blue, 5.98 x 5.98)
- 0.5ct Sapphire (Round, Blue, 4.75 x 4.75) vs. 1ct Diamond (Cushion, White, 5.83 x 5.83)
- 0.5ct Sapphire (Round, Blue, 4.75 x 4.75) vs. 0.5ct Aquamarine (Princess, Light Blue, 4.86 x 4.86)
- 0.5ct Sapphire (Round, Blue, 4.75 x 4.75) vs. 0.5ct Emerald (Round, Green, 5.41 x 5.41)
- 0.5ct Sapphire (Round, Blue, 4.75 x 4.75) vs. 1ct Diamond (Round, White, 6.5 x 6.5)