0.15ct Sapphire (Round, 3.18×3.18mm, Blue) vs 20ct Ruby (Pear, 22.54×13.58mm, Red)
Quick summary: When looked from above (face-up position), 20ct Ruby (22.54×13.58mm, pear cut) appears 28.1 times larger than 0.15ct Sapphire (3.18×3.18mm, round cut). See below how they compare side-by-side on a ring and finger.
| 0.15ct Sapphire (round cut) |
vs
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20ct Ruby (pear cut) |
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blue |
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| 3.18×3.18 mm | 22.54×13.58 mm | |
| actual size | ||
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Actual size is set for screen
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Ring:
Skin tone:
Ring width: 3.0 mm
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64 mm |
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Actual sizes of
0.15ct Sapphire Round (3.18×3.18mm, Blue)
and
20ct Ruby Pear (22.54×13.58mm, Red)
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
Sapphire and Ruby 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.
| 0.15 Ct Sapphire (Round) | 20 Ct Ruby (Pear) | |
| 3.18×3.18 mm | vs | 22.54×13.58 mm |
| 7.94 mm² | 223.45 mm² |
| 0.15ct Sapphire Round (3.18×3.18mm) | |
| 20ct Ruby Pear (22.54×13.58mm) | |
| Difference: 2714% (215.51 mm²) |
20ct Ruby (Pear, 22.54×13.58mm) has approx. 2714% more face-up area than 0.15ct Sapphire (Round, 3.18×3.18mm). In other words, it's 28.14x larger.
Popular comparisons:
- 0.15ct Sapphire (Round, Blue, 3.18 x 3.18) vs. 0.15ct Diamond (Round, White, 3.45 x 3.45)
- 0.15ct Sapphire (Round, Blue, 3.18 x 3.18) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.15ct Sapphire (Round, Blue, 3.18 x 3.18) vs. 0.75ct Diamond (Round, White, 5.91 x 5.91)
- 0.15ct Sapphire (Round, Blue, 3.18 x 3.18) vs. 0.1ct Diamond (Round, White, 3.02 x 3.02)
- 0.15ct Sapphire (Round, Blue, 3.18 x 3.18) vs. 0.15ct Diamond (Emerald, White, 3.55 x 2.63)
- 0.15ct Sapphire (Round, Blue, 3.18 x 3.18) vs. 3.05ct Diamond (Round, White, 9.43 x 9.43)
- 0.15ct Sapphire (Round, Blue, 3.18 x 3.18) vs. 20ct Ruby (Oval, Red, 20.54 x 13.69)
- 0.15ct Sapphire (Round, Blue, 3.18 x 3.18) vs. 20ct Ruby (Cabochon, Red, 18.57 x 12.38)