1.5ct Sapphire (Cabochon, 7.83×5.22mm, Blue) vs 0.5ct Ruby (Oval, 6×4mm, Red)
Quick summary: When looked from above (face-up position), 1.5ct Sapphire (7.83×5.22mm, cabochon cut) appears 70% larger than 0.5ct Ruby (6×4mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 1.5ct Sapphire (cabochon cut) |
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0.5ct Ruby (oval cut) |
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| 7.83×5.22 mm | 6×4 mm | |
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Actual sizes of
1.5ct Sapphire Cabochon (7.83×5.22mm, Blue)
and
0.5ct Ruby Oval (6×4mm, 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.
| 1.5 Ct Sapphire (Cabochon) | 0.5 Ct Ruby (Oval) | |
| 7.83×5.22 mm | vs | 6×4 mm |
| 33.52 mm² | 19.68 mm² |
| 1.5ct Sapphire Cabochon (7.83×5.22mm) | |
| 0.5ct Ruby Oval (6×4mm) | |
| Difference: 70% (13.84 mm²) |
1.5ct Sapphire Cabochon (7.83×5.22mm) has approx. 70% more face-up area than 0.5ct Ruby Oval (6×4mm).
Popular comparisons:
- 1.5ct Sapphire (Cabochon, Blue, 7.83 x 5.22) vs. 1.5ct Diamond (Emerald, White, 7.65 x 5.67)
- 2ct Sapphire (Cabochon, Dark Blue, 8 x 6) vs. 2.27ct Sapphire (Cabochon, Light Blue, 8 x 6.1)
- 2ct Sapphire (Cabochon, Blue, 8.63 x 5.75) vs. 2ct Diamond (Cabochon, White, 9 x 6)
- 2ct Sapphire (Cabochon, Blue, 8.63 x 5.75) vs. 2ct Ruby (Oval, Red, 9.53 x 6.35)
- 5ct Sapphire (Cabochon, Dark Blue, 10 x 10) vs. 8ct Ruby (Cabochon, Red, 13.68 x 9.12)
- 3.9ct Sapphire (Cabochon, Blue, 9.5 x 7.8) vs. 2.94ct Sapphire (Cabochon, Purple, 8.25 x 6.98)
- 1.92ct Sapphire (Cabochon, Blue, 8.51 x 5.67) vs. 0.74ct Sapphire (Cabochon, Blue, 6.2 x 4.13)
- 3ct Sapphire (Cabochon, Orange, 9.87 x 6.58) vs. 3ct Sapphire (Oval, Light Orange, 8 x 10)
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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.