1ct Tourmaline (Round, 6.51×6.51mm, Dark Bluish Green) vs 1ct Hiddenite (Emerald, 6.9×5.11mm, Green)
Quick summary: When looked from above (face-up position), 1ct Tourmaline (6.51×6.51mm, round cut) appears 2% larger than 1ct Hiddenite (6.9×5.11mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 1ct Tourmaline (round cut) |
vs
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1ct Hiddenite (emerald cut) |
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dark bluish green |
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| 6.51×6.51 mm | 6.9×5.11 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 Tourmaline Round (6.51×6.51mm, Dark Bluish Green)
and
1ct Hiddenite Emerald (6.9×5.11mm, 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, Hiddenite will face-up smaller than Tourmaline for a given
carat weight, because it has higher specific gravity
(3.18 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 Tourmaline (Round) | 1 Ct Hiddenite (Emerald) | |
| 6.51×6.51 mm | vs | 6.9×5.11 mm |
| 33.29 mm² | 32.79 mm² |
| 1ct Tourmaline Round (6.51×6.51mm) | |
| 1ct Hiddenite Emerald (6.9×5.11mm) | |
| Difference: 2% (0.5 mm²) |
1ct Tourmaline (Round, 6.51×6.51mm) has approx. 2% more face-up area than 1ct Hiddenite (Emerald, 6.9×5.11mm).
Popular comparisons:
- 1ct Tourmaline (Round, Dark Bluish Green, 6.51 x 6.51) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Tourmaline (Round, Dark Bluish Green, 6.51 x 6.51) vs. 1ct Emerald (Emerald, Dark Bluish Green, 7.28 x 5.39)
- 1ct Tourmaline (Round, Dark Bluish Green, 6.51 x 6.51) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Tourmaline (Round, Light Green , 6.51 x 6.51) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
- 2ct Tourmaline (Round, Violet, 8.2 x 8.2) vs. 2ct Tourmaline (Oval, Violet, 10.38 x 6.92)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 0.32ct Tourmaline (Round, Green, 4.45 x 4.45) vs. 0.3ct Sapphire (Round, Green, 4 x 4)