0.3ct Ruby (Oval, 5.07×3.38mm, Red) vs 3ct Sapphire (Oval, 10.91×7.27mm, Blue)
Quick summary: When looked from above (face-up position), 3ct Sapphire (10.91×7.27mm, oval cut) appears 4.6 times larger than 0.3ct Ruby (5.07×3.38mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 0.3ct Ruby (oval cut) |
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3ct Sapphire (oval cut) |
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red |
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| 5.07×3.38 mm | 10.91×7.27 mm | |
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Actual sizes of
0.3ct Ruby Oval (5.07×3.38mm, Red)
and
3ct Sapphire Oval (10.91×7.27mm, 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
Ruby and Sapphire have the same specific gravity so their face-up size
depends on the weight, shape and 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.
| 0.3 Ct Ruby (Oval) | 3 Ct Sapphire (Oval) | |
| 5.07×3.38 mm | vs | 10.91×7.27 mm |
| 14.05 mm² | 65.04 mm² |
| 0.3ct Ruby Oval (5.07×3.38mm) | |
| 3ct Sapphire Oval (10.91×7.27mm) | |
| Difference: 363% (50.99 mm²) |
3ct Sapphire Oval (10.91×7.27mm) has approx. 363% more face-up area than 0.3ct Ruby Oval (5.07×3.38mm). In other words, it's 4.63x larger.
Popular comparisons:
- 0.3ct Ruby (Oval, Red, 5.07 x 3.38) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.3ct Ruby (Oval, Red, 5.07 x 3.38) vs. 0.3ct Diamond (Oval, White, 5.43 x 3.62)
- 0.3ct Ruby (Oval, Red, 5.07 x 3.38) vs. 0.13ct Diamond (Oval, White, 4.11 x 2.74)
- 0.3ct Ruby (Oval, Red, 5.07 x 3.38) vs. 0.3ct Sapphire (Oval, Blue, 5.07 x 3.38)
- 4ct Ruby (Oval, Red, 11 x 8.15) vs. 2.75ct Diamond (Oval, White, 11.37 x 7.58)
- 2ct Ruby (Oval, Red, 9.53 x 6.35) vs. 1.13ct Diamond (Round, White, 6.77 x 6.77)
- 0.65ct Ruby (Oval, Red, 6.56 x 4.37) vs. 1.2ct Diamond (Round, White, 6.4 x 6.4)
- 1ct Ruby (Oval, Red, 7 x 5) vs. 1ct Diamond (Oval, White, 8.12 x 5.41)
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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.