1ct Sapphire (Cushion, 5.59×5.59mm, Light Blue) vs 1ct Topaz (Cushion, 5.83×5.83mm, Blue)
Quick summary: When looked from above (face-up position), 1ct Topaz (5.83×5.83mm, cushion cut) appears 9% larger than 1ct Sapphire (5.59×5.59mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 1ct Sapphire (cushion cut) |
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1ct Topaz (cushion cut) |
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light blue |
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| 5.59×5.59 mm | 5.83×5.83 mm | |
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Actual sizes of
1ct Sapphire Cushion (5.59×5.59mm, Light Blue)
and
1ct Topaz Cushion (5.83×5.83mm, 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
All things being equal, Sapphire will face-up smaller than Topaz for a given
carat weight, because it has higher specific gravity
(4 vs. 3.53 - this means it's "heavier" compared to Topaz 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 Ct Sapphire (Cushion) | 1 Ct Topaz (Cushion) | |
| 5.59×5.59 mm | vs | 5.83×5.83 mm |
| 28.12 mm² | 30.59 mm² |
| 1ct Sapphire Cushion (5.59×5.59mm) | |
| 1ct Topaz Cushion (5.83×5.83mm) | |
| Difference: 9% (2.47 mm²) |
1ct Topaz Cushion (5.83×5.83mm) has approx. 9% more face-up area than 1ct Sapphire Cushion (5.59×5.59mm).
Popular comparisons:
- 1ct Sapphire (Cushion, Light Blue, 5.59 x 5.59) vs. 1ct Sapphire (Cushion, Blue, 6 x 6)
- 1ct Sapphire (Cushion, Light Blue, 5.59 x 5.59) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Sapphire (Cushion, Light Blue, 5.59 x 5.59) vs. 1ct Sapphire (Cushion, Light Bluish Green, 5.59 x 5.59)
- 1ct Sapphire (Cushion, Light Blue, 5.59 x 5.59) vs. 0.75ct Ruby (Cushion, Red, 5.08 x 5.08)
- 12ct Sapphire (Cushion, Blue, 12.8 x 12.8) vs. 2ct Ruby (Cushion, Red, 7.04 x 7.04)
- 3.59ct Sapphire (Cushion, Blue, 8.2 x 8.3) vs. 6.22ct Emerald (Emerald, Green, 12.4 x 10.9)
- 2ct Sapphire (Cushion, Blue, 7.04 x 7.04) vs. 2ct Diamond (Cushion, White, 7.34 x 7.34)
- 4.13ct Sapphire (Cushion, Blue, 9.91 x 7.48) vs. 4.57ct Sapphire (Oval, Blue, 11.31 x 8.15)
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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.