1ct Tourmaline (Pear, 9.05×5.45mm, Violet) vs 2ct Diamond (Round, 8.19×8.19mm, White)
Quick summary: When looked from above (face-up position), 2ct Diamond (8.19×8.19mm, round cut) appears 46% larger than 1ct Tourmaline (9.05×5.45mm, pear cut). See below how they compare side-by-side on a ring and finger.
| 1ct Tourmaline (pear cut) |
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2ct Diamond (round cut) |
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violet |
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| 9.05×5.45 mm | 8.19×8.19 mm | |
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Actual sizes of
1ct Tourmaline Pear (9.05×5.45mm, Violet)
and
2ct Diamond Round (8.19×8.19mm, White)
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, Diamond will face-up smaller than Tourmaline for a given
carat weight, because it has higher specific gravity
(3.52 vs. 3.1 - 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 (Pear) | 2 Ct Diamond (Round) | |
| 9.05×5.45 mm | vs | 8.19×8.19 mm |
| 36.01 mm² | 52.68 mm² |
| 1ct Tourmaline Pear (9.05×5.45mm) | |
| 2ct Diamond Round (8.19×8.19mm) | |
| Difference: 46% (16.67 mm²) |
2ct Diamond Round (8.19×8.19mm) has approx. 46% more face-up area than 1ct Tourmaline Pear (9.05×5.45mm).
Popular comparisons:
- 1ct Tourmaline (Pear, Violet, 9.05 x 5.45) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Tourmaline (Pear, Violet, 9.05 x 5.45) vs. 1ct Tourmaline (Oval, Violet, 8.24 x 5.49)
- 1ct Tourmaline (Pear, Violet, 9.05 x 5.45) vs. 1ct Tanzanite (Pear, Blue, 8.85 x 5.33)
- 1ct Tourmaline (Pear, Violet, 8.75 x 5.11) vs. 1ct Tourmaline (Trillion, Violet, 8 x 8)
- 2.5ct Tourmaline (Pear, Violet, 10.5 x 7.5) vs. 1.4ct Tourmaline (Pear, Violet, 8.7 x 6.5)
- 15ct Tourmaline (Pear, Light Orange, 22.29 x 13.43) vs. 4ct Ruby (Pear, Red, 13.18 x 7.94)
- 5.53ct Tourmaline (Pear, Violet, 15.99 x 9.63) vs. 1ct Tanzanite (Oval, Blue, 8.07 x 5.38)
- 3.33ct Tourmaline (Pear, Violet, 13.5 x 8.13) vs. 1.5ct Spinel (Marquise, Red, 11.7 x 5.85)
Enter your screen size (diagonal)
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Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.