5 Ct Spinel (Round) |
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5 Ct Alexandrite (Round) |
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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 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 Spinel or Alexandrite check what Amazon has to offer. You'll usually find quite a selection from many different vendors. Worth a check. For other high quality gemstones (Rubies, Saphhires, Emeralds) and especially Diamonds, I highly recommend JamesAllen.
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
(3.7 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)
- 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)
- 2ct Spinel (Round, Light Orange, 7.5 x 7.5) vs. 2ct Spinel (Round, Light Orange, 7 x 7)
- 8ct Spinel (Round, Red, 12.38 x 12.38) vs. 8ct Emerald (Emerald, Green, 14.55 x 10.78)
- 1.35ct Spinel (Round, Purple, 6.84 x 6.84) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 2ct Spinel (Round, Dark Bluish Green, 8 x 8) vs. 2ct Spinel (Oval, Dark Violet, 9.87 x 6.58)
- 5ct Spinel (Round, Yellowish Green, 10.59 x 10.59) vs. 5ct Alexandrite (Round, Light Green , 10.49 x 10.49)
- 3.7ct Spinel (Round, Red, 9.58 x 9.58) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
Enter your screen size (diagonal)
My screen size is
inches
Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.