1.6ct Ruby (Cushion, 6.54×6.54mm, Red) vs 1.5ct Sapphire (Cushion, 6.4×6.4mm, Dark Blue)
Quick summary: When looked from above (face-up position), 1.6ct Ruby (6.54×6.54mm, cushion cut) appears 4% larger than 1.5ct Sapphire (6.4×6.4mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 1.6ct Ruby (cushion cut) |
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1.5ct Sapphire (cushion cut) |
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red |
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| 6.54×6.54 mm | 6.4×6.4 mm | |
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Actual size is set for screen
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Actual sizes of
1.6ct Ruby Cushion (6.54×6.54mm, Red)
and
1.5ct Sapphire Cushion (6.4×6.4mm, Dark 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.
| 1.6 Ct Ruby (Cushion) | 1.5 Ct Sapphire (Cushion) | |
| 6.54×6.54 mm | vs | 6.4×6.4 mm |
| 38.49 mm² | 36.86 mm² |
| 1.6ct Ruby Cushion (6.54×6.54mm) | |
| 1.5ct Sapphire Cushion (6.4×6.4mm) | |
| Difference: 4% (1.63 mm²) |
1.6ct Ruby Cushion (6.54×6.54mm) has approx. 4% more face-up area than 1.5ct Sapphire Cushion (6.4×6.4mm).
Popular comparisons:
- 1.6ct Ruby (Cushion, Red, 6.54 x 6.54) vs. 2.6ct Ruby (Round, Red, 8.22 x 8.22)
- 1.6ct Ruby (Cushion, Red, 6.54 x 6.54) vs. 0.58ct Emerald (Oval, Green, 7.19 x 4.79)
- 4ct Ruby (Cushion, Red, 8.88 x 8.88) vs. 6ct Ruby (Cushion, Red, 10.16 x 10.16)
- 0.45ct Ruby (Cushion, Red, 4.28 x 4.28) vs. 0.33ct Sapphire (Trillion, Blue, 4.86 x 4.86)
- 3.45ct Ruby (Cushion, Red, 8.45 x 8.45) vs. 1ct Emerald (Cushion, Green, 6.37 x 6.37)
- 3ct Ruby (Cushion, Red, 8.06 x 8.06) vs. 5ct Ruby (Round, Red, 10.22 x 10.22)
- 3ct Ruby (Cushion, Red, 8.06 x 8.06) vs. 5ct Ruby (Cushion, Red, 9.56 x 9.56)
- 3ct Ruby (Cushion, Red, 8.06 x 8.06) vs. 3ct Diamond (Round, White, 9.37 x 9.37)
Enter your screen size (diagonal)
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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.