0.25ct Diamond (Princess, 3.47×3.47mm, White) vs 0.07ct Sapphire (Round, 2.46×2.46mm, Blue)
Quick summary: When looked from above (face-up position), 0.25ct Diamond (3.47×3.47mm, princess cut) appears 2.5 times larger than 0.07ct Sapphire (2.46×2.46mm, round cut). See below how they compare side-by-side on a ring and finger.
| 0.25ct Diamond (princess cut) |
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0.07ct Sapphire (round cut) |
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| 3.47×3.47 mm | 2.46×2.46 mm | |
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Actual sizes of
0.25ct Diamond Princess (3.47×3.47mm, White)
and
0.07ct Sapphire Round (2.46×2.46mm, Blue)
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.
| 0.25 Ct Diamond (Princess) | 0.07 Ct Sapphire (Round) | |
| 3.47×3.47 mm | vs | 2.46×2.46 mm |
| 12.04 mm² | 4.75 mm² |
| 0.25ct Diamond Princess (3.47×3.47mm) | |
| 0.07ct Sapphire Round (2.46×2.46mm) | |
| Difference: 153% (7.29 mm²) |
0.25ct Diamond Princess (3.47×3.47mm) has approx. 153% more face-up area than 0.07ct Sapphire Round (2.46×2.46mm). In other words, it's 2.53x larger.
Popular comparisons:
- 0.25ct Diamond (Princess, White, 3.47 x 3.47) vs. 1ct Diamond (Emerald, White, 6.68 x 4.95)
- 0.25ct Diamond (Princess, White, 3.47 x 3.47) vs. 0.25ct Diamond (Round, White, 4.09 x 4.09)
- 0.25ct Diamond (Princess, White, 3.47 x 3.47) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.25ct Diamond (Princess, White, 3.47 x 3.47) vs. 0.3ct Diamond (Princess, White, 3.69 x 3.69)
- 0.25ct Diamond (Princess, White, 3.47 x 3.47) vs. 1.5ct Topaz (Round, Light Blue, 7.13 x 7.13)
- 0.25ct Diamond (Princess, White, 3.47 x 3.47) vs. 0.8ct Diamond (Cushion, White, 5.41 x 5.41)
- 0.25ct Diamond (Princess, White, 3.47 x 3.47) vs. 1.9ct Tanzanite (Emerald, Light Blue, 8.44 x 6.25)
- 0.25ct Diamond (Princess, White, 3.47 x 3.47) vs. 0.7ct Diamond (Princess, White, 4.89 x 4.89)
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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.