2ct Sapphire (Trillion, 8.86×8.86mm, Blue) vs 19ct Diamond (Princess, 14.7×14.7mm, White)
Quick summary: When looked from above (face-up position), 19ct Diamond (14.7×14.7mm, princess cut) appears 4.4 times larger than 2ct Sapphire (8.86×8.86mm, trillion cut). See below how they compare side-by-side on a ring and finger.
| 2ct Sapphire (trillion cut) |
vs
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19ct Diamond (princess cut) |
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blue |
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| 8.86×8.86 mm | 14.7×14.7 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
2ct Sapphire Trillion (8.86×8.86mm, Blue)
and
19ct Diamond Princess (14.7×14.7mm, 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 Ct Sapphire (Trillion) | 19 Ct Diamond (Princess) | |
| 8.86×8.86 mm | vs | 14.7×14.7 mm |
| 48.67 mm² | 216.09 mm² |
| 2ct Sapphire Trillion (8.86×8.86mm) | |
| 19ct Diamond Princess (14.7×14.7mm) | |
| Difference: 344% (167.42 mm²) |
19ct Diamond (Princess, 14.7×14.7mm) has approx. 344% more face-up area than 2ct Sapphire (Trillion, 8.86×8.86mm). In other words, it's 4.44x larger.
Popular comparisons:
- 2ct Sapphire (Trillion, Blue, 8.86 x 8.86) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 2ct Sapphire (Trillion, Blue, 8.86 x 8.86) vs. 2ct Diamond (Trillion, White, 9.75 x 9.75)
- 2ct Sapphire (Trillion, Blue, 8.86 x 8.86) vs. 2ct Diamond (Princess, White, 6.94 x 6.94)
- 2ct Sapphire (Trillion, Blue, 8.86 x 8.86) vs. 20ct Diamond (Princess, White, 14.96 x 14.96)
- 2ct Sapphire (Trillion, Blue, 8.86 x 8.86) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2ct Sapphire (Trillion, Blue, 8.86 x 8.86) vs. 2.24ct Sapphire (Trillion, Blue, 9.2 x 9.2)
- 2ct Sapphire (Trillion, Blue, 8.86 x 8.86) vs. 2ct Diamond (Cabochon, White, 9 x 6)
- 2ct Sapphire (Trillion, Blue, 8.86 x 8.86) vs. 0.5ct Sapphire (Cushion, Blue, 4.44 x 4.44)