0.65ct Sapphire (Oval, 6.56×4.37mm, Blue) vs 0.45ct Ruby (Cabochon, 5.25×3.5mm, Red)
Quick summary: When looked from above (face-up position), 0.65ct Sapphire (6.56×4.37mm, oval cut) appears 56% larger than 0.45ct Ruby (5.25×3.5mm, cabochon cut). See below how they compare side-by-side on a ring and finger.
| 0.65ct Sapphire (oval cut) |
vs
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0.45ct Ruby (cabochon cut) |
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blue |
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| 6.56×4.37 mm | 5.25×3.5 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
0.65ct Sapphire Oval (6.56×4.37mm, Blue)
and
0.45ct Ruby Cabochon (5.25×3.5mm, 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.
| 0.65 Ct Sapphire (Oval) | 0.45 Ct Ruby (Cabochon) | |
| 6.56×4.37 mm | vs | 5.25×3.5 mm |
| 23.51 mm² | 15.07 mm² |
| 0.65ct Sapphire Oval (6.56×4.37mm) | |
| 0.45ct Ruby Cabochon (5.25×3.5mm) | |
| Difference: 56% (8.44 mm²) |
0.65ct Sapphire (Oval, 6.56×4.37mm) has approx. 56% more face-up area than 0.45ct Ruby (Cabochon, 5.25×3.5mm).
Popular comparisons:
- 0.65ct Sapphire (Oval, Blue, 6.56 x 4.37) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.65ct Sapphire (Oval, Blue, 6.56 x 4.37) vs. 0.06ct Diamond (Round, White, 2.54 x 2.54)
- 0.65ct Sapphire (Oval, Blue, 6.56 x 4.37) vs. 1.5ct Sapphire (Oval, Blue, 8.66 x 5.77)
- 0.65ct Sapphire (Oval, Blue, 6.56 x 4.37) vs. 0.74ct Sapphire (Cabochon, Blue, 6.2 x 4.13)
- 0.65ct Sapphire (Oval, Blue, 6.56 x 4.37) vs. 1.22ct Sapphire (Oval, Blue, 8.09 x 5.39)
- 0.65ct Sapphire (Oval, Blue, 6.56 x 4.37) vs. 5ct Diamond (Baguette, White, 12.36 x 8.24)
- 0.65ct Sapphire (Oval, Blue, 6.56 x 4.37) vs. 1ct Sapphire (Oval, Blue, 7.56 x 5.04)
- 0.65ct Sapphire (Oval, Blue, 6.56 x 4.37) vs. 0.4ct Diamond (Round, White, 4.79 x 4.79)