1ct Diamond (Trillion, 7×7mm, White) vs 3ct Diamond (Oval, 11.7×7.8mm, White)
Quick summary: When looked from above (face-up position), 3ct Diamond (11.7×7.8mm, oval cut) appears 2.5 times larger than 1ct Diamond (7×7mm, trillion cut). See below how they compare side-by-side on a ring and finger.
| 1ct Diamond (trillion cut) |
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3ct Diamond (oval cut) |
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| 7×7 mm | 11.7×7.8 mm | |
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Actual sizes of
1ct Diamond Trillion (7×7mm, White)
and
3ct Diamond Oval (11.7×7.8mm, 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
The face-up size depends on the shape of the gem, its weight and 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.
| 1 Ct Diamond (Trillion) | 3 Ct Diamond (Oval) | |
| 7×7 mm | vs | 11.7×7.8 mm |
| 30.38 mm² | 74.83 mm² |
| 1ct Diamond Trillion (7×7mm) | |
| 3ct Diamond Oval (11.7×7.8mm) | |
| Difference: 146% (44.45 mm²) |
3ct Diamond Oval (11.7×7.8mm) has approx. 146% more face-up area than 1ct Diamond Trillion (7×7mm). In other words, it's 2.46x larger.
Popular comparisons:
- 1ct Diamond (Trillion, White, 7 x 7) vs. 1ct Diamond (Trillion, White, 6.6 x 6.6)
- 1ct Diamond (Trillion, White, 7 x 7) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 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)
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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.