1.75ct Topaz (Emerald, 8.02×5.94mm, Blue) vs 1.75ct Rhodolite (Emerald, 7.8×5.78mm, Purple)
Quick summary: When looked from above (face-up position), 1.75ct Topaz (8.02×5.94mm, emerald cut) appears 6% larger than 1.75ct Rhodolite (7.8×5.78mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 1.75ct Topaz (emerald cut) |
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1.75ct Rhodolite (emerald cut) |
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blue |
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| 8.02×5.94 mm | 7.8×5.78 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
1.75ct Topaz Emerald (8.02×5.94mm, Blue)
and
1.75ct Rhodolite Emerald (7.8×5.78mm, Purple)
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, Rhodolite will face-up smaller than Topaz for a given
carat weight, because it has higher specific gravity
(3.84 vs. 3.53 - this means it's "heavier" compared to Topaz 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.
| 1.75 Ct Topaz (Emerald) | 1.75 Ct Rhodolite (Emerald) | |
| 8.02×5.94 mm | vs | 7.8×5.78 mm |
| 44.3 mm² | 41.93 mm² |
| 1.75ct Topaz Emerald (8.02×5.94mm) | |
| 1.75ct Rhodolite Emerald (7.8×5.78mm) | |
| Difference: 6% (2.37 mm²) |
1.75ct Topaz (Emerald, 8.02×5.94mm) has approx. 6% more face-up area than 1.75ct Rhodolite (Emerald, 7.8×5.78mm).
Popular comparisons:
- 1.75ct Topaz (Emerald, Blue, 8.02 x 5.94) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 10ct Topaz (Emerald, White, 14 x 11) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.5ct Topaz (Emerald, Blue, 5.28 x 3.91) vs. 0.6ct Topaz (Emerald, Blue, 5.62 x 4.16)
- 11ct Topaz (Emerald, Blue, 14.81 x 10.97) vs. 11ct Diamond (Emerald, White, 14.86 x 11.01)
- 2ct Topaz (Emerald, Dark Bluish Green, 9 x 7) vs. 3ct Topaz (Emerald, Blue, 10 x 8)
- 10ct Topaz (Emerald, Blue, 14.34 x 10.62) vs. 23ct Kunzite (Cushion, Light Purple, 17.17 x 17.17)
- 26ct Topaz (Emerald, Violet, 19.72 x 14.61) vs. 8ct Amethyst (Emerald, Violet, 14.65 x 10.85)
- 9ct Topaz (Emerald, Light Blue, 13.85 x 10.26) vs. 9ct Diamond (Emerald, White, 13.89 x 10.29)
- 1.7ct Topaz (Emerald, Blue, 7.95 x 5.89) vs. 1.7ct Citrine (Oval, Light Orange, 10.35 x 6.9)