1ct Sapphire (Round, 5.98×5.98mm, White) vs 22ct Topaz (Oval, 22.1×14.73mm, Blue)
Quick summary: When looked from above (face-up position), 22ct Topaz (22.1×14.73mm, oval cut) appears 9.5 times larger than 1ct Sapphire (5.98×5.98mm, round cut). See below how they compare side-by-side on a ring and finger.
| 1ct Sapphire (round cut) |
vs
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22ct Topaz (oval cut) |
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white |
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| 5.98×5.98 mm | 22.1×14.73 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
1ct Sapphire Round (5.98×5.98mm, White)
and
22ct Topaz Oval (22.1×14.73mm, 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 (Round) | 22 Ct Topaz (Oval) | |
| 5.98×5.98 mm | vs | 22.1×14.73 mm |
| 28.09 mm² | 266.94 mm² |
| 1ct Sapphire Round (5.98×5.98mm) | |
| 22ct Topaz Oval (22.1×14.73mm) | |
| Difference: 850% (238.85 mm²) |
22ct Topaz (Oval, 22.1×14.73mm) has approx. 850% more face-up area than 1ct Sapphire (Round, 5.98×5.98mm). In other words, it's 9.5x larger.
Popular comparisons:
- 1ct Sapphire (Round, White, 5.98 x 5.98) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Sapphire (Round, White, 5.98 x 5.98) vs. 0.75ct Sapphire (Round, Light Blue, 5.43 x 5.43)
- 1ct Sapphire (Round, White, 5.98 x 5.98) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Sapphire (Round, White, 5.98 x 5.98) vs. 0.75ct Sapphire (Oval, White, 6.87 x 4.58)
- 1ct Sapphire (Round, White, 5.98 x 5.98) vs. 0.75ct Sapphire (Round, Dark Blue, 5.43 x 5.43)
- 1ct Sapphire (Round, White, 5.98 x 5.98) vs. 0.75ct Sapphire (Round, Blue, 5.43 x 5.43)
- 1ct Sapphire (Round, White, 5.98 x 5.98) vs. 1.6ct Sapphire (Round, White, 6.99 x 6.99)
- 1ct Sapphire (Round, White, 5.98 x 5.98) vs. 1ct Ruby (Round, Red, 5.98 x 5.98)