0.5ct Sapphire (Oval, 6×4mm, Blue) vs 0.75ct Diamond (Oval, 7.38×4.92mm, White)
Quick summary: When looked from above (face-up position), 0.75ct Diamond (7.38×4.92mm, oval cut) appears 51% larger than 0.5ct Sapphire (6×4mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 0.5ct Sapphire (oval cut) |
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0.75ct Diamond (oval cut) |
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| 6×4 mm | 7.38×4.92 mm | |
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Actual sizes of
0.5ct Sapphire Oval (6×4mm, Blue)
and
0.75ct Diamond Oval (7.38×4.92mm, 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 (Oval) | 0.75 Ct Diamond (Oval) | |
| 6×4 mm | vs | 7.38×4.92 mm |
| 19.68 mm² | 29.77 mm² |
| 0.5ct Sapphire Oval (6×4mm) | |
| 0.75ct Diamond Oval (7.38×4.92mm) | |
| Difference: 51% (10.09 mm²) |
0.75ct Diamond Oval (7.38×4.92mm) has approx. 51% more face-up area than 0.5ct Sapphire Oval (6×4mm).
Popular comparisons:
- 0.5ct Sapphire (Oval, Blue, 6 x 4) vs. 0.25ct Diamond (Round, White, 4.09 x 4.09)
- 0.5ct Sapphire (Oval, Blue, 6 x 4) vs. 0.4ct Sapphire (Round, Blue, 4.4 x 4.4)
- 0.5ct Sapphire (Oval, Blue, 6 x 4) vs. 0.5ct Diamond (Round, White, 5.16 x 5.16)
- 0.5ct Sapphire (Oval, Blue, 6 x 4) vs. 1ct Sapphire (Oval, Blue, 7.56 x 5.04)
- 0.5ct Sapphire (Oval, Blue, 6 x 4) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.5ct Sapphire (Oval, Blue, 6 x 4) vs. 0.08ct Diamond (Round, Bluish Green, 2.8 x 2.8)
- 0.5ct Sapphire (Oval, Blue, 6 x 4) vs. 0.5ct Diamond (Oval, White, 6.44 x 4.29)
- 0.5ct Sapphire (Oval, Blue, 6 x 4) 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.