1.6ct Sapphire (Cushion, 6.54×6.54mm, Blue) vs 1.52ct Diamond (Cushion, 6.7×6.7mm, White)
Quick summary: When looked from above (face-up position), 1.52ct Diamond (6.7×6.7mm, cushion cut) appears 5% larger than 1.6ct Sapphire (6.54×6.54mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 1.6ct Sapphire (cushion cut) |
vs
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1.52ct Diamond (cushion cut) |
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blue |
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| 6.54×6.54 mm | 6.7×6.7 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
1.6ct Sapphire Cushion (6.54×6.54mm, Blue)
and
1.52ct Diamond Cushion (6.7×6.7mm, White)
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
All things being equal, Sapphire will face-up smaller than Diamond for a given
carat weight, because it has higher specific gravity
(4 vs. 3.52 - this means it's "heavier" compared to Diamond of the same size). Face-up size also depends heavily on the 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.
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 Sapphire (Cushion) | 1.52 Ct Diamond (Cushion) | |
| 6.54×6.54 mm | vs | 6.7×6.7 mm |
| 38.49 mm² | 40.4 mm² |
| 1.6ct Sapphire Cushion (6.54×6.54mm) | |
| 1.52ct Diamond Cushion (6.7×6.7mm) | |
| Difference: 5% (1.91 mm²) |
1.52ct Diamond (Cushion, 6.7×6.7mm) has approx. 5% more face-up area than 1.6ct Sapphire (Cushion, 6.54×6.54mm).
Popular comparisons:
- 1.6ct Sapphire (Cushion, Blue, 6.54 x 6.54) vs. 1.4ct Diamond (Cushion, White, 6.52 x 6.52)
- 1.6ct Sapphire (Cushion, Blue, 6.54 x 6.54) vs. 1.6ct Diamond (Cushion, White, 6.81 x 6.81)
- 1.6ct Sapphire (Cushion, Blue, 6.54 x 6.54) vs. 2.3ct Sapphire (Emerald, Light Blue, 8.42 x 6.24)
- 1.6ct Sapphire (Cushion, Blue, 6.54 x 6.54) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.6ct Sapphire (Cushion, Blue, 6.54 x 6.54) vs. 0.1ct Diamond (Pear, White, 4.2 x 2.53)
- 1.6ct Sapphire (Cushion, Blue, 6.54 x 6.54) vs. 3.8ct Sapphire (Round, Blue, 9.33 x 9.33)
- 1.6ct Sapphire (Cushion, Blue, 6.54 x 6.54) vs. 1.3ct Emerald (Cushion, Green, 6.96 x 6.96)
- 1.6ct Sapphire (Cushion, Blue, 6.54 x 6.54) vs. 1.3ct Emerald (Cushion, Bluish Green, 6.96 x 6.96)