10ct Sapphire (Round, 12.88×12.88mm, Blue) vs 0.3ct Sapphire (Round, 4×4mm, Blue)
Quick summary: When looked from above (face-up position), 10ct Sapphire (12.88×12.88mm, round cut) appears 10.4 times larger than 0.3ct Sapphire (4×4mm, round cut). See below how they compare side-by-side on a ring and finger.
| 10ct Sapphire (round cut) |
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0.3ct Sapphire (round cut) |
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| 12.88×12.88 mm | 4×4 mm | |
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Actual sizes of
10ct Sapphire Round (12.88×12.88mm, Blue)
and
0.3ct Sapphire Round (4×4mm, 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
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.
| 10 Ct Sapphire (Round) | 0.3 Ct Sapphire (Round) | |
| 12.88×12.88 mm | vs | 4×4 mm |
| 130.29 mm² | 12.57 mm² |
| 10ct Sapphire Round (12.88×12.88mm) | |
| 0.3ct Sapphire Round (4×4mm) | |
| Difference: 937% (117.72 mm²) |
10ct Sapphire Round (12.88×12.88mm) has approx. 937% more face-up area than 0.3ct Sapphire Round (4×4mm). In other words, it's 10.37x larger.
Popular comparisons:
- 10ct Sapphire (Round, Blue, 12.88 x 12.88) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 10ct Sapphire (Round, Blue, 12.88 x 12.88) vs. 5ct Diamond (Emerald, White, 11.42 x 8.46)
- 10ct Sapphire (Round, Blue, 12.88 x 12.88) vs. 10ct Emerald (Marquise, Green, 24.24 x 12.12)
- 10ct Sapphire (Round, Blue, 12.88 x 12.88) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 10ct Sapphire (Round, Blue, 12.88 x 12.88) vs. 10ct Emerald (Emerald, Green, 15.69 x 11.62)
- 10ct Sapphire (Round, Blue, 12.88 x 12.88) vs. 3.78ct Sapphire (Oval, Blue, 11.78 x 7.85)
- 10ct Sapphire (Round, Blue, 12.88 x 12.88) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 10ct Sapphire (Round, Blue, 12.88 x 12.88) vs. 1ct Spinel (Round, Red, 6.19 x 6.19)
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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.