2ct Topaz (Trillion, 9.23×9.23mm, Blue) vs 2ct Tourmaline (Emerald, 8.76×6.49mm, Violet)
Quick summary: When looked from above (face-up position), 2ct Tourmaline (8.76×6.49mm, emerald cut) appears 0.1% larger than 2ct Topaz (9.23×9.23mm, trillion cut). See below how they compare side-by-side on a ring and finger.
| 2ct Topaz (trillion cut) |
vs
|
2ct Tourmaline (emerald cut) |
|
blue |
|
|
| 9.23×9.23 mm | 8.76×6.49 mm | |
| actual size | ||
|
|
|
|
|
||
Actual size is set for screen
|
Ring:
Skin tone:
Ring width: 3.0 mm
|
|
64 mm |
|
|
|||||||||||||||||
|
|||||||||||||||||||||
Actual sizes of
2ct Topaz Trillion (9.23×9.23mm, Blue)
and
2ct Tourmaline Emerald (8.76×6.49mm, Violet)
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.
| 2 Ct Topaz (Trillion) | 2 Ct Tourmaline (Emerald) | |
| 9.23×9.23 mm | vs | 8.76×6.49 mm |
| 52.82 mm² | 52.87 mm² |
| 2ct Topaz Trillion (9.23×9.23mm) | |
| 2ct Tourmaline Emerald (8.76×6.49mm) | |
| Difference: 0.1% (0.05 mm²) |
2ct Tourmaline (Emerald, 8.76×6.49mm) has approx. 0.1% more face-up area than 2ct Topaz (Trillion, 9.23×9.23mm).
Popular comparisons:
- 2ct Topaz (Trillion, Blue, 9.23 x 9.23) vs. 1ct Topaz (Round, Blue, 6.23 x 6.23)
- 2ct Topaz (Trillion, Blue, 9.23 x 9.23) vs. 2ct Topaz (Round, Blue, 7.85 x 7.85)
- 2ct Topaz (Trillion, Blue, 9.23 x 9.23) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 2ct Topaz (Trillion, Blue, 9.23 x 9.23) vs. 2ct Diamond (Trillion, White, 9.75 x 9.75)
- 7ct Topaz (Trillion, Bluish Green, 14.02 x 14.02) vs. 7ct Sapphire (Trillion, Bluish Green, 13.45 x 13.45)
- 9ct Topaz (Trillion, Bluish Green, 15.24 x 15.24) vs. 9ct Sapphire (Trillion, Bluish Green, 14.62 x 14.62)
- 5ct Topaz (Trillion, Bluish Green, 12.53 x 12.53) vs. 5ct Sapphire (Trillion, Bluish Green, 12.02 x 12.02)
- 6ct Topaz (Trillion, Blue, 13.32 x 13.32) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)