2.51ct Sapphire (Pear, 9.72×9.42mm, Dark Blue) vs 2ct Spinel (Oval, 9.87×6.58mm, Blue)
Quick summary: When looked from above (face-up position), 2.51ct Sapphire (9.72×9.42mm, pear cut) appears 26% larger than 2ct Spinel (9.87×6.58mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 2.51ct Sapphire (pear cut) |
vs
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2ct Spinel (oval cut) |
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dark blue |
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| 9.72×9.42 mm | 9.87×6.58 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
2.51ct Sapphire Pear (9.72×9.42mm, Dark Blue)
and
2ct Spinel Oval (9.87×6.58mm, 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.
| 2.51 Ct Sapphire (Pear) | 2 Ct Spinel (Oval) | |
| 9.72×9.42 mm | vs | 9.87×6.58 mm |
| 66.84 mm² | 53.25 mm² |
| 2.51ct Sapphire Pear (9.72×9.42mm) | |
| 2ct Spinel Oval (9.87×6.58mm) | |
| Difference: 26% (13.59 mm²) |
2.51ct Sapphire (Pear, 9.72×9.42mm) has approx. 26% more face-up area than 2ct Spinel (Oval, 9.87×6.58mm).
Popular comparisons:
- 2.51ct Sapphire (Pear, Dark Blue, 9.72 x 9.42) vs. 0.35ct Diamond (Marquise, White, 7 x 4)
- 2.51ct Sapphire (Pear, Dark Blue, 9.72 x 9.42) vs. 3.72ct Sapphire (Pear, White, 12.6 x 9.14)
- 2.51ct Sapphire (Pear, Dark Blue, 9.72 x 9.42) vs. 5ct Aquamarine (Emerald, Light Bluish Green, 12.45 x 9.22)
- 2.51ct Sapphire (Pear, Dark Blue, 9.72 x 9.42) vs. 0.31ct Diamond (Trillion, White, 5.64 x 5.22)
- 2.51ct Sapphire (Pear, Dark Blue, 9.72 x 9.42) vs. 0.25ct Diamond (Round, White, 4.09 x 4.09)
- 2.51ct Sapphire (Pear, Dark Blue, 9.72 x 9.42) vs. 0.3ct Diamond (Round, White, 4.35 x 4.35)
- 2.51ct Sapphire (Pear, Dark Blue, 9.72 x 9.42) vs. 0.1ct Diamond (Round, White, 3.02 x 3.02)
- 2.51ct Sapphire (Pear, Dark Blue, 9.72 x 9.42) vs. 0.35ct Diamond (Round, White, 4.58 x 4.58)