17ct Sapphire (Oval, 19.71×13.14mm, Blue) vs 17ct Fluorite (Oval, 21.29×14.19mm, Bluish Green)
Quick summary: When looked from above (face-up position), 17ct Fluorite (21.29×14.19mm, oval cut) appears 17% larger than 17ct Sapphire (19.71×13.14mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 17ct Sapphire (oval cut) |
vs
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17ct Fluorite (oval cut) |
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blue |
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| 19.71×13.14 mm | 21.29×14.19 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
17ct Sapphire Oval (19.71×13.14mm, Blue)
and
17ct Fluorite Oval (21.29×14.19mm, Bluish Green)
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 Fluorite for a given
carat weight, because it has higher specific gravity
(4 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.
| 17 Ct Sapphire (Oval) | 17 Ct Fluorite (Oval) | |
| 19.71×13.14 mm | vs | 21.29×14.19 mm |
| 212.37 mm² | 247.73 mm² |
| 17ct Sapphire Oval (19.71×13.14mm) | |
| 17ct Fluorite Oval (21.29×14.19mm) | |
| Difference: 17% (35.36 mm²) |
17ct Fluorite (Oval, 21.29×14.19mm) has approx. 17% more face-up area than 17ct Sapphire (Oval, 19.71×13.14mm).
Popular comparisons:
- 2ct Sapphire (Oval, Blue, 9.53 x 6.35) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 1.5ct Sapphire (Oval, Blue, 8.66 x 5.77) vs. 1.52ct Diamond (Oval, White, 9.33 x 6.22)
- 5ct Sapphire (Oval, Blue, 12.93 x 8.62) vs. 5ct Diamond (Oval, White, 13.88 x 9.25)
- 2.5ct Sapphire (Oval, White, 9 x 7) vs. 2.5ct Diamond (Oval, White, 9 x 7)
- 3ct Sapphire (Oval, Blue, 10.91 x 7.27) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 1.52ct Sapphire (Oval, Blue, 8.7 x 5.8) vs. 0.92ct Diamond (Round, White, 6.32 x 6.32)
- 15ct Sapphire (Oval, Blue, 18 x 13) vs. 13ct Sapphire (Oval, Blue, 16 x 12)
- 2ct Sapphire (Oval, Blue, 9.53 x 6.35) vs. 3ct Sapphire (Oval, Blue, 10.91 x 7.27)
- 6ct Sapphire (Oval, Blue, 13.74 x 9.16) vs. 8ct Sapphire (Oval, Blue, 15.12 x 10.08)