0.8ct Ruby (Princess, 4.99×4.99mm, Red) vs 0.75ct Sapphire (Round, 5.43×5.43mm, Blue)
Quick summary: When looked from above (face-up position), 0.8ct Ruby (4.99×4.99mm, princess cut) appears 8% larger than 0.75ct Sapphire (5.43×5.43mm, round cut). See below how they compare side-by-side on a ring and finger.
| 0.8ct Ruby (princess cut) |
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0.75ct Sapphire (round cut) |
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red |
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| 4.99×4.99 mm | 5.43×5.43 mm | |
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Actual sizes of
0.8ct Ruby Princess (4.99×4.99mm, Red)
and
0.75ct Sapphire Round (5.43×5.43mm, 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.
| 0.8 Ct Ruby (Princess) | 0.75 Ct Sapphire (Round) | |
| 4.99×4.99 mm | vs | 5.43×5.43 mm |
| 24.9 mm² | 23.16 mm² |
| 0.8ct Ruby Princess (4.99×4.99mm) | |
| 0.75ct Sapphire Round (5.43×5.43mm) | |
| Difference: 8% (1.74 mm²) |
0.8ct Ruby Princess (4.99×4.99mm) has approx. 8% more face-up area than 0.75ct Sapphire Round (5.43×5.43mm).
Popular comparisons:
- 0.8ct Ruby (Princess, Red, 4.99 x 4.99) vs. 0.9ct Sapphire (Princess, Blue, 5.19 x 5.19)
- 0.8ct Ruby (Princess, Red, 4.99 x 4.99) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.8ct Ruby (Princess, Red, 4.99 x 4.99) vs. 0.75ct Sapphire (Baguette, Blue, 6.3 x 4.2)
- 2ct Ruby (Princess, Red, 6.77 x 6.77) vs. 2ct Diamond (Princess, White, 6.94 x 6.94)
- 0.27ct Ruby (Princess, Red, 3.5 x 3.5) vs. 0.36ct Ruby (Princess, Red, 4 x 4)
- 0.75ct Ruby (Princess, Red, 4.88 x 4.88) vs. 0.75ct Sapphire (Round, Blue, 5.43 x 5.43)
- 4.93ct Ruby (Princess, Red, 9.4 x 9.4) vs. 4.93ct Diamond (Princess, White, 9.38 x 9.38)
- 1ct Ruby (Princess, Red, 5.37 x 5.37) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
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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.