1ct Spinel (Pear, 8.6×5.18mm, Red) vs 1ct Sapphire (Pear, 8.3×5mm, Blue)
Quick summary: When looked from above (face-up position), 1ct Spinel (8.6×5.18mm, pear cut) appears 7% larger than 1ct Sapphire (8.3×5mm, pear cut). See below how they compare side-by-side on a ring and finger.
| 1ct Spinel (pear cut) |
vs
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1ct Sapphire (pear cut) |
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red |
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| 8.6×5.18 mm | 8.3×5 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 Spinel Pear (8.6×5.18mm, Red)
and
1ct Sapphire Pear (8.3×5mm, 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 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.
| 1 Ct Spinel (Pear) | 1 Ct Sapphire (Pear) | |
| 8.6×5.18 mm | vs | 8.3×5 mm |
| 32.52 mm² | 30.3 mm² |
| 1ct Spinel Pear (8.6×5.18mm) | |
| 1ct Sapphire Pear (8.3×5mm) | |
| Difference: 7% (2.22 mm²) |
1ct Spinel (Pear, 8.6×5.18mm) has approx. 7% more face-up area than 1ct Sapphire (Pear, 8.3×5mm).
Popular comparisons:
- 1ct Spinel (Pear, Red, 8.6 x 5.18) vs. 1ct Spinel (Oval, Light Red, 7.83 x 5.22)
- 1ct Spinel (Pear, Red, 8.6 x 5.18) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Spinel (Pear, Red, 8.6 x 5.18) vs. 1ct Emerald (Pear, Green, 9.46 x 5.7)
- 1ct Spinel (Pear, Red, 8.6 x 5.18) vs. 1ct Spinel (Emerald, Red, 6.62 x 4.9)
- 1ct Spinel (Pear, Red, 8.6 x 5.18) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Spinel (Pear, Red, 8.6 x 5.18) vs. 1ct Spinel (Oval, Red, 7.83 x 5.22)
- 1.93ct Spinel (Pear, Red, 10 x 6.5) vs. 1.85ct Sapphire (Round, Light Violet, 7.5 x 7.5)
- 2.2ct Spinel (Pear, Red, 8.9 x 6.9) vs. 0.8ct Diamond (Round, White, 6.1 x 6.1)