2 Ct Tourmaline (Round) |
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3 Ct Diamond (Round) |
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yellow |
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| 8.2×8.2 mm | 9.37×9.37 mm | |
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Actual size is set for screen
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Ring width: 3.0 mm
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64 mm |
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Actual sizes of
2ct Tourmaline Round (8.2×8.2mm, Yellow)
and
3ct Diamond Round (9.37×9.37mm, Black)
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?
JamesAllen → high-quality Diamonds, high-end jewelry and competitive prices. Highly recommended.
Amazon → usually offers a good selection from many different vendors. Worth a check.
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.
| 2 Ct Tourmaline (Round) | 3 Ct Diamond (Round) | |
| 8.2×8.2 mm | vs | 9.37×9.37 mm |
| 52.81 mm² | 68.96 mm² |
| 2ct Tourmaline Round (8.2×8.2mm) | |
| 3ct Diamond Round (9.37×9.37mm) | |
| Difference: 31% (16.15 mm²) |
3ct Diamond Round (9.37×9.37mm) has approx. 31% more face-up area than 2ct Tourmaline Round (8.2×8.2mm).
Popular comparisons:
- 2ct Tourmaline (Round, Yellow, 8.2 x 8.2) vs. 3ct Diamond (Emerald, Black, 9.64 x 7.14)
- 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)
- 1.41ct Tourmaline (Round, Light Red, 7.3 x 7.3) vs. 1.58ct Tourmaline (Round, Light Red, 7.58 x 7.58)
- 1ct Tourmaline (Round, Bluish Green, 6.51 x 6.51) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 0.57ct Tourmaline (Round, Violet, 5.4 x 5.4) vs. 1ct Sapphire (Round, Blue, 5.98 x 5.98)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1ct Amethyst (Cushion, Light Purple, 6.41 x 6.41)
Enter your screen size (diagonal)
My screen size is
inches
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.