0.9ct Diamond (Trillion, 7.47×7.47mm, Yellow) vs 1.45ct Sapphire (Trillion, 7.2×7.2mm, Yellow)
Quick summary: When looked from above (face-up position), 0.9ct Diamond (7.47×7.47mm, trillion cut) appears 8% larger than 1.45ct Sapphire (7.2×7.2mm, trillion cut). See below how they compare side-by-side on a ring and finger.
| 0.9ct Diamond (trillion cut) |
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1.45ct Sapphire (trillion cut) |
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| 7.47×7.47 mm | 7.2×7.2 mm | |
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Actual sizes of
0.9ct Diamond Trillion (7.47×7.47mm, Yellow)
and
1.45ct Sapphire Trillion (7.2×7.2mm, Yellow)
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.
| 0.9 Ct Diamond (Trillion) | 1.45 Ct Sapphire (Trillion) | |
| 7.47×7.47 mm | vs | 7.2×7.2 mm |
| 34.6 mm² | 32.14 mm² |
| 0.9ct Diamond Trillion (7.47×7.47mm) | |
| 1.45ct Sapphire Trillion (7.2×7.2mm) | |
| Difference: 8% (2.46 mm²) |
0.9ct Diamond Trillion (7.47×7.47mm) has approx. 8% more face-up area than 1.45ct Sapphire Trillion (7.2×7.2mm).
Popular comparisons:
- 0.5ct Diamond (Trillion, White, 6.14 x 6.14) vs. 0.25ct Diamond (Trillion, White, 4.87 x 4.87)
- 0.5ct Diamond (Trillion, White, 6.14 x 6.14) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 0.61ct Diamond (Trillion, Purple, 5.32 x 6.44) vs. 0.58ct Diamond (Pear, Dark Purple, 4.99 x 6.84)
- 0.3ct Diamond (Trillion, White, 5.18 x 5.18) vs. 0.4ct Diamond (Round, White, 4.79 x 4.79)
- 0.27ct Diamond (Trillion, White, 5 x 5) vs. 2.24ct Morganite (Oval, Light Purple, 11 x 7)
- 1ct Diamond (Trillion, White, 7.74 x 7.74) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.5ct Diamond (Trillion, White, 6.14 x 6.14) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Diamond (Trillion, White, 7.74 x 7.74) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
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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.