1ct Morganite (Cabochon, 7.8×5.2mm, Light Purple) vs 1ct Topaz (Emerald, 6.66×4.93mm, Blue)
Quick summary: When looked from above (face-up position), 1ct Morganite (7.8×5.2mm, cabochon cut) appears 9% larger than 1ct Topaz (6.66×4.93mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 1ct Morganite (cabochon cut) |
vs
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1ct Topaz (emerald cut) |
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light purple |
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| 7.8×5.2 mm | 6.66×4.93 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
1ct Morganite Cabochon (7.8×5.2mm, Light Purple)
and
1ct Topaz Emerald (6.66×4.93mm, 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, Topaz will face-up smaller than Morganite for a given
carat weight, because it has higher specific gravity
(3.53 vs. 2.8 - this means it's "heavier" compared to Morganite 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 Morganite (Cabochon) | 1 Ct Topaz (Emerald) | |
| 7.8×5.2 mm | vs | 6.66×4.93 mm |
| 33.26 mm² | 30.54 mm² |
| 1ct Morganite Cabochon (7.8×5.2mm) | |
| 1ct Topaz Emerald (6.66×4.93mm) | |
| Difference: 9% (2.72 mm²) |
1ct Morganite (Cabochon, 7.8×5.2mm) has approx. 9% more face-up area than 1ct Topaz (Emerald, 6.66×4.93mm).
Popular comparisons:
- 1ct Morganite (Cabochon, Light Purple, 7.8 x 5.2) vs. 1ct Sapphire (Emerald, Light Violet, 6.39 x 4.73)
- 1ct Morganite (Cabochon, Light Purple, 7.8 x 5.2) vs. 1ct Topaz (Baguette, Blue, 7.23 x 4.82)
- 5ct Morganite (Cabochon, Light Purple, 13.34 x 8.89) vs. 5ct Diamond (Pear, White, 15.47 x 9.32)
- 2ct Morganite (Cabochon, Light Purple, 9.83 x 6.55) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 1ct Morganite (Cabochon, Light Red, 7.8 x 5.2) vs. 1ct Diamond (Pear, White, 9.05 x 5.45)
- 0.7ct Morganite (Cabochon, Light Red, 6.93 x 4.62) vs. 0.75ct Diamond (Round, White, 5.91 x 5.91)
- 1.35ct Morganite (Cabochon, Light Purple, 8.63 x 5.75) vs. 1.35ct Diamond (Oval, White, 8.97 x 5.98)
- 4.89ct Morganite (Cabochon, Light Purple, 13.25 x 8.83) vs. 4.13ct Morganite (Cabochon, Light Purple, 12.51 x 8.34)