1 Ct Tourmaline (Round) |
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1 Ct Diamond (Round) |
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violet |
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| 6.51×6.51 mm | 6.5×6.5 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
1ct Tourmaline Round (6.51×6.51mm, Violet)
and
1ct Diamond Round (6.5×6.5mm, 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?
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.
| 1 Ct Tourmaline (Round) | 1 Ct Diamond (Round) | |
| 6.51×6.51 mm | vs | 6.5×6.5 mm |
| 33.29 mm² | 33.18 mm² |
| 1ct Tourmaline Round (6.51×6.51mm) | |
| 1ct Diamond Round (6.5×6.5mm) | |
| Difference: 0.3% (0.11 mm²) |
1ct Tourmaline Round (6.51×6.51mm) has approx. 0.3% more face-up area than 1ct Diamond Round (6.5×6.5mm).
Popular comparisons:
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1ct Amethyst (Cushion, Light Purple, 6.41 x 6.41)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1.02ct Sapphire (Round, Blue, 6.02 x 6.02)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1ct Emerald (Round, Green, 6.82 x 6.82)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1ct Tanzanite (Trillion, Blue, 7.49 x 7.49)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1ct Topaz (Round, Blue, 6.23 x 6.23)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1ct Zircon (Round, Orange, 5.69 x 5.69)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 0.32ct Zircon (Oval, Orange, 4.92 x 3.28)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 0.8ct Tourmaline (Round, Violet, 6.04 x 6.04)
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.