5ct Spinel (Round, 10.59×10.59mm, Red) vs 5ct Alexandrite (Round, 10.49×10.49mm, Light Green )
Quick summary: When looked from above (face-up position), 5ct Spinel (10.59×10.59mm, round cut) appears 2% larger than 5ct Alexandrite (10.49×10.49mm, round cut). See below how they compare side-by-side on a ring and finger.
| 5ct Spinel (round cut) |
vs
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5ct Alexandrite (round cut) |
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red |
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| 10.59×10.59 mm | 10.49×10.49 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 Spinel Round (10.59×10.59mm, Red)
and
5ct Alexandrite Round (10.49×10.49mm, Light 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, Alexandrite will face-up smaller than Spinel for a given
carat weight, because it has higher specific gravity
(3.73 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 Spinel (Round) | 5 Ct Alexandrite (Round) | |
| 10.59×10.59 mm | vs | 10.49×10.49 mm |
| 88.08 mm² | 86.43 mm² |
| 5ct Spinel Round (10.59×10.59mm) | |
| 5ct Alexandrite Round (10.49×10.49mm) | |
| Difference: 2% (1.65 mm²) |
5ct Spinel (Round, 10.59×10.59mm) has approx. 2% more face-up area than 5ct Alexandrite (Round, 10.49×10.49mm).
Popular comparisons:
- 5ct Spinel (Round, Red, 10.59 x 10.59) vs. 5ct Alexandrite (Baguette, Dark Green, 12.17 x 8.11)
- 5ct Spinel (Round, Red, 10.59 x 10.59) vs. 6.6ct Tourmaline (Round, Violet, 12.21 x 12.21)
- 5ct Spinel (Round, Red, 10.59 x 10.59) vs. 5ct Sapphire (Round, Blue, 10.22 x 10.22)
- 5ct Spinel (Round, Red, 10.59 x 10.59) vs. 4ct Emerald (Emerald, Green, 11.56 x 8.56)
- 1ct Spinel (Round, Red, 6.19 x 6.19) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 3.7ct Spinel (Round, Red, 9.58 x 9.58) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1.35ct Spinel (Round, Red, 6.84 x 6.84) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Spinel (Round, Red, 6.19 x 6.19) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
Use the simulator on this page to play around with different ring and finger configurations.