1ct Topaz (Emerald, 6.66×4.93mm, Blue) vs 1ct Tourmaline (Emerald, 6.95×5.15mm, Light Bluish Green)
Quick summary: When looked from above (face-up position), 1ct Tourmaline (6.95×5.15mm, emerald 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 Topaz (emerald cut) |
vs
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1ct Tourmaline (emerald cut) |
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blue |
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| 6.66×4.93 mm | 6.95×5.15 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 Topaz Emerald (6.66×4.93mm, Blue)
and
1ct Tourmaline Emerald (6.95×5.15mm, Light Bluish 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, Topaz will face-up smaller than Tourmaline for a given
carat weight, because it has higher specific gravity
(3.53 vs. 3.06 - this means it's "heavier" compared to Tourmaline 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 Topaz (Emerald) | 1 Ct Tourmaline (Emerald) | |
| 6.66×4.93 mm | vs | 6.95×5.15 mm |
| 30.54 mm² | 33.29 mm² |
| 1ct Topaz Emerald (6.66×4.93mm) | |
| 1ct Tourmaline Emerald (6.95×5.15mm) | |
| Difference: 9% (2.75 mm²) |
1ct Tourmaline (Emerald, 6.95×5.15mm) has approx. 9% more face-up area than 1ct Topaz (Emerald, 6.66×4.93mm).
Popular comparisons:
- 1ct Topaz (Emerald, Blue, 6.66 x 4.93) vs. 1ct Diamond (Emerald, White, 6.68 x 4.95)
- 1ct Topaz (Emerald, Blue, 6.66 x 4.93) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Topaz (Emerald, Blue, 6.66 x 4.93) vs. 0.5ct Topaz (Round, Blue, 5 x 5)
- 1ct Topaz (Emerald, Blue, 6.66 x 4.93) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Topaz (Emerald, Blue, 6.66 x 4.93) vs. 1ct Tourmaline (Emerald, Light Bluish Green, 6.66 x 5.15)
- 1ct Topaz (Emerald, Blue, 6.66 x 4.93) vs. 1ct Tourmaline (Emerald, Light Bluish Green, 6.66 x 4.93)
- 1ct Topaz (Emerald, Blue, 6.66 x 4.93) vs. 4ct Topaz (Oval, Blue, 12 x 10)
- 1ct Topaz (Emerald, Blue, 6.66 x 4.93) vs. 1ct Emerald (Emerald, Green, 7.26 x 5.38)