8ct Sapphire (Oval, 15.12×10.08mm, Dark Blue) vs 0.1ct Diamond (Princess, 2.56×2.56mm, White)
Quick summary: When looked from above (face-up position), 8ct Sapphire (15.12×10.08mm, oval cut) appears 19.1 times larger than 0.1ct Diamond (2.56×2.56mm, princess cut). See below how they compare side-by-side on a ring and finger.
| 8ct Sapphire (oval cut) |
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0.1ct Diamond (princess cut) |
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dark blue |
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| 15.12×10.08 mm | 2.56×2.56 mm | |
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Actual sizes of
8ct Sapphire Oval (15.12×10.08mm, Dark Blue)
and
0.1ct Diamond Princess (2.56×2.56mm, 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.
| 8 Ct Sapphire (Oval) | 0.1 Ct Diamond (Princess) | |
| 15.12×10.08 mm | vs | 2.56×2.56 mm |
| 124.98 mm² | 6.55 mm² |
| 8ct Sapphire Oval (15.12×10.08mm) | |
| 0.1ct Diamond Princess (2.56×2.56mm) | |
| Difference: 1808% (118.43 mm²) |
8ct Sapphire Oval (15.12×10.08mm) has approx. 1808% more face-up area than 0.1ct Diamond Princess (2.56×2.56mm). In other words, it's 19.08x larger.
Popular comparisons:
- 8ct Sapphire (Oval, Dark Blue, 15.12 x 10.08) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 8ct Sapphire (Oval, Dark Blue, 15.12 x 10.08) vs. 8ct Spinel (Oval, Dark Blue, 15.68 x 10.45)
- 2ct Sapphire (Oval, Blue, 9.53 x 6.35) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 1.5ct Sapphire (Oval, Blue, 8.66 x 5.77) vs. 1.52ct Diamond (Oval, White, 9.33 x 6.22)
- 2.5ct Sapphire (Oval, White, 9 x 7) vs. 2.5ct Diamond (Oval, White, 9 x 7)
- 5ct Sapphire (Oval, Blue, 12.93 x 8.62) vs. 5ct Diamond (Oval, White, 13.88 x 9.25)
- 1ct Sapphire (Oval, Blue, 7.56 x 5.04) vs. 2ct Sapphire (Cushion, Blue, 7.04 x 7.04)
- 3ct Sapphire (Oval, Blue, 10.91 x 7.27) 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.