2.51ct Sapphire (Pear, 9.72×9.43mm, Dark Blue) vs 0.35ct Diamond (Marquise, 7×4mm, White)
Quick summary: When looked from above (face-up position), 2.51ct Sapphire (9.72×9.43mm, pear cut) appears 3.4 times larger than 0.35ct Diamond (7×4mm, marquise cut). See below how they compare side-by-side on a ring and finger.
| 2.51ct Sapphire (pear cut) |
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0.35ct Diamond (marquise cut) |
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dark blue |
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| 9.72×9.43 mm | 7×4 mm | |
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Actual sizes of
2.51ct Sapphire Pear (9.72×9.43mm, Dark Blue)
and
0.35ct Diamond Marquise (7×4mm, 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.
| 2.51 Ct Sapphire (Pear) | 0.35 Ct Diamond (Marquise) | |
| 9.72×9.43 mm | vs | 7×4 mm |
| 66.91 mm² | 19.88 mm² |
| 2.51ct Sapphire Pear (9.72×9.43mm) | |
| 0.35ct Diamond Marquise (7×4mm) | |
| Difference: 237% (47.03 mm²) |
2.51ct Sapphire Pear (9.72×9.43mm) has approx. 237% more face-up area than 0.35ct Diamond Marquise (7×4mm). In other words, it's 3.37x larger.
Popular comparisons:
- 2.51ct Sapphire (Pear, Dark Blue, 9.72 x 9.43) vs. 2.23ct Sapphire (Oval, Dark Blue, 9.42 x 6.21)
- 2.51ct Sapphire (Pear, Dark Blue, 9.72 x 9.43) vs. 3.66ct Sapphire (Emerald, Dark Bluish Green, 9.77 x 6.94)
- 2.51ct Sapphire (Pear, Dark Blue, 9.72 x 9.43) vs. 3.95ct Sapphire (Cushion, Blue, 10.23 x 6.86)
- 2.51ct Sapphire (Pear, Dark Blue, 9.72 x 9.43) vs. 2.02ct Sapphire (Trillion, Dark Blue, 8 x 8)
- 2.51ct Sapphire (Pear, Dark Blue, 9.72 x 9.43) vs. 2.02ct Sapphire (Trillion, Dark Bluish Green, 8 x 8.5)
- 2.51ct Sapphire (Pear, Dark Blue, 9.72 x 9.43) vs. 2.02ct Sapphire (Trillion, Dark Bluish Green, 8 x 8)
- 2.51ct Sapphire (Pear, Dark Blue, 9.72 x 9.43) vs. 3.66ct Sapphire (Emerald, Dark Blue, 9.77 x 6.94)
- 2.51ct Sapphire (Pear, Dark Blue, 9.72 x 9.43) vs. 3.67ct Sapphire (Emerald, Blue, 11 x 7)
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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.