7.5ct Topaz (Marquise, 19.84×9.92mm, Blue) vs 7.5ct Beryl (Marquise, 21.64×10.82mm, Orange)
Quick summary: When looked from above (face-up position), 7.5ct Beryl (21.64×10.82mm, marquise cut) appears 19% larger than 7.5ct Topaz (19.84×9.92mm, marquise cut). See below how they compare side-by-side on a ring and finger.
| 7.5ct Topaz (marquise cut) |
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7.5ct Beryl (marquise cut) |
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blue |
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| 19.84×9.92 mm | 21.64×10.82 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
7.5ct Topaz Marquise (19.84×9.92mm, Blue)
and
7.5ct Beryl Marquise (21.64×10.82mm, Orange)
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 Beryl for a given
carat weight, because it has higher specific gravity
(3.53 vs. 2.72 - this means it's "heavier" compared to Beryl 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.
| 7.5 Ct Topaz (Marquise) | 7.5 Ct Beryl (Marquise) | |
| 19.84×9.92 mm | vs | 21.64×10.82 mm |
| 139.74 mm² | 166.24 mm² |
| 7.5ct Topaz Marquise (19.84×9.92mm) | |
| 7.5ct Beryl Marquise (21.64×10.82mm) | |
| Difference: 19% (26.5 mm²) |
7.5ct Beryl (Marquise, 21.64×10.82mm) has approx. 19% more face-up area than 7.5ct Topaz (Marquise, 19.84×9.92mm).
Popular comparisons:
- 1ct Topaz (Marquise, Blue, 10.3 x 5.15) vs. 1ct Diamond (Marquise, White, 10.38 x 5.19)
- 2ct Topaz (Marquise, Blue, 12.96 x 6.48) vs. 1ct Topaz (Round, Blue, 6.23 x 6.23)
- 3ct Topaz (Marquise, Orange, 14.84 x 7.42) vs. 1ct Topaz (Marquise, Orange, 10.3 x 5.15)
- 1ct Topaz (Marquise, Blue, 10.3 x 5.15) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.5ct Topaz (Marquise, Blue, 11.78 x 5.89) vs. 1.5ct Zircon (Pear, Orange, 9.05 x 5.45)
- 1.5ct Topaz (Marquise, Blue, 11.78 x 5.89) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2.5ct Topaz (Marquise, Blue, 13.96 x 6.98) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2ct Topaz (Marquise, Bluish Green, 12.96 x 6.48) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.15ct Topaz (Marquise, Blue, 5.46 x 2.73) vs. 0.8ct Topaz (Pear, Blue, 8.03 x 4.84)