5ct Sapphire (Oval, 12.93×8.62mm, Dark Blue) vs 5ct Spinel (Oval, 13.4×8.93mm, Purple)
Quick summary: When looked from above (face-up position), 5ct Spinel (13.4×8.93mm, oval cut) appears 7% larger than 5ct Sapphire (12.93×8.62mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 5ct Sapphire (oval cut) |
vs
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5ct Spinel (oval cut) |
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dark blue |
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| 12.93×8.62 mm | 13.4×8.93 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
5ct Sapphire Oval (12.93×8.62mm, Dark Blue)
and
5ct Spinel Oval (13.4×8.93mm, Purple)
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 Spinel for a given
carat weight, because it has higher specific gravity
(4 vs. 3.6 - this means it's "heavier" compared to Spinel 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.
| 5 Ct Sapphire (Oval) | 5 Ct Spinel (Oval) | |
| 12.93×8.62 mm | vs | 13.4×8.93 mm |
| 91.39 mm² | 98.12 mm² |
| 5ct Sapphire Oval (12.93×8.62mm) | |
| 5ct Spinel Oval (13.4×8.93mm) | |
| Difference: 7% (6.73 mm²) |
5ct Spinel (Oval, 13.4×8.93mm) has approx. 7% more face-up area than 5ct Sapphire (Oval, 12.93×8.62mm).
Popular comparisons:
- 5ct Sapphire (Oval, Dark Blue, 12.93 x 8.62) vs. 1.5ct Diamond (Oval, White, 9 x 7)
- 5ct Sapphire (Oval, Dark Blue, 12.93 x 8.62) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 5ct Sapphire (Oval, Dark Blue, 12.93 x 8.62) vs. 2.23ct Sapphire (Oval, Dark Blue, 9.42 x 6.21)
- 5ct Sapphire (Oval, Dark Blue, 12.93 x 8.62) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 5ct Sapphire (Oval, Dark Blue, 12.93 x 8.62) vs. 5ct Sapphire (Oval, Blue, 12.93 x 8.62)
- 5ct Sapphire (Oval, Dark Blue, 12.93 x 8.62) vs. 5ct Spinel (Oval, Dark Blue, 13.4 x 8.93)
- 5ct Sapphire (Oval, Dark Blue, 12.93 x 8.62) vs. 12ct Sapphire (Oval, Dark Blue, 17.31 x 11.54)
- 2ct Sapphire (Oval, Blue, 9.53 x 6.35) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)