1ct Sapphire (Round, 6×6mm, Blue) vs 1ct Ruby (Round, 6×6mm, Red)
Quick summary: Compared gemstones have equal face-up area.
| 1ct Sapphire (round cut) |
vs
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1ct Ruby (round cut) |
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blue |
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| 6×6 mm | 6×6 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
1ct Sapphire Round (6×6mm, Blue)
and
1ct Ruby Round (6×6mm, 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.
| 1 Ct Sapphire (Round) | 1 Ct Ruby (Round) | |
| 6×6 mm | vs | 6×6 mm |
| 28.27 mm² | 28.27 mm² |

| 1ct Sapphire Round (6×6mm) | |
| 1ct Ruby Round (6×6mm) | |
| Difference: 0% (0 mm²) |
1ct Sapphire (Round, 6×6mm) and 1ct Ruby (Round, 6×6mm) have the same face-up area.
Popular comparisons:
- 1ct Sapphire (Round, Blue, 6 x 6) vs. 1ct Sapphire (Round, Blue, 5.5 x 5.5)
- 1ct Sapphire (Round, Blue, 6 x 6) vs. 0.8ct Diamond (Round, White, 6.03 x 6.03)
- 1ct Sapphire (Round, Blue, 6 x 6) vs. 1ct Sapphire (Oval, Blue, 7 x 5)
- 1ct Sapphire (Round, Blue, 6 x 6) vs. 1ct Sapphire (Round, Blue, 5.8 x 5.8)
- 1ct Sapphire (Round, Blue, 6 x 6) vs. 1.52ct Diamond (Oval, White, 9.33 x 6.22)
- 1ct Sapphire (Round, Blue, 6 x 6) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Sapphire (Round, Blue, 6 x 6) vs. 1ct Sapphire (Oval, Blue, 8 x 6)
- 1ct Sapphire (Round, Blue, 6 x 6) vs. 2.16ct Emerald (Emerald, Green, 7.99 x 7.76)