24ct Fluorite (Round, 18.62×18.62mm, Bluish Green) vs 24ct Topaz (Round, 17.98×17.98mm, Blue)
Quick summary: When looked from above (face-up position), 24ct Fluorite (18.62×18.62mm, round cut) appears 7% larger than 24ct Topaz (17.98×17.98mm, round cut). See below how they compare side-by-side on a ring and finger.
| 24ct Fluorite (round cut) |
vs
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24ct Topaz (round cut) |
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bluish green |
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| 18.62×18.62 mm | 17.98×17.98 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
24ct Fluorite Round (18.62×18.62mm, Bluish Green)
and
24ct Topaz Round (17.98×17.98mm, 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, Topaz will face-up smaller than Fluorite for a given
carat weight, because it has higher specific gravity
(3.53 vs. 3.18 - this means it's "heavier" compared to Fluorite 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.
| 24 Ct Fluorite (Round) | 24 Ct Topaz (Round) | |
| 18.62×18.62 mm | vs | 17.98×17.98 mm |
| 272.3 mm² | 253.9 mm² |
| 24ct Fluorite Round (18.62×18.62mm) | |
| 24ct Topaz Round (17.98×17.98mm) | |
| Difference: 7% (18.4 mm²) |
24ct Fluorite (Round, 18.62×18.62mm) has approx. 7% more face-up area than 24ct Topaz (Round, 17.98×17.98mm).
Popular comparisons:
- 1ct Fluorite (Round, Bluish Green, 6.45 x 6.45) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 8ct Fluorite (Round, Bluish Green, 12.91 x 12.91) vs. 8ct Emerald (Emerald, Green, 14.55 x 10.78)
- 1ct Fluorite (Round, Bluish Green, 6.45 x 6.45) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Fluorite (Round, Bluish Green, 6.45 x 6.45) vs. 1ct Benitoite (Emerald, Blue, 6.59 x 4.88)
- 3ct Fluorite (Round, Light Red, 9.31 x 9.31) vs. 3ct Diamond (Round, White, 9.37 x 9.37)
- 1ct Fluorite (Round, Bluish Green, 6.45 x 6.45) vs. 0.1ct Diamond (Round, Light Yellow, 3.02 x 3.02)
- 6ct Fluorite (Round, Bluish Green, 11.73 x 11.73) vs. 6ct Emerald (Emerald, Green, 13.23 x 9.8)
- 1ct Fluorite (Round, Green, 6.45 x 6.45) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Fluorite (Round, White, 6.45 x 6.45) vs. 2ct Fluorite (Pear, Bluish Green, 11.29 x 6.8)