2 Ct Topaz (Round) |
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2 Ct Diamond (Round) |
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blue |
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| 7.85×7.85 mm | 8.19×8.19 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 Topaz Round (7.85×7.85mm, Blue)
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?
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, Topaz will face-up slightly smaller than Diamond for a given
carat weight, because it has higher specific gravity
(3.53 vs. 3.52 - this means it's "slightly heavier" compared to Diamond 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 (Round) | 2 Ct Diamond (Round) | |
| 7.85×7.85 mm | vs | 8.19×8.19 mm |
| 48.4 mm² | 52.68 mm² |
| 2ct Topaz Round (7.85×7.85mm) | |
| 2ct Diamond Round (8.19×8.19mm) | |
| Difference: 9% (4.28 mm²) |
2ct Diamond Round (8.19×8.19mm) has approx. 9% more face-up area than 2ct Topaz Round (7.85×7.85mm).
Popular comparisons:
- 2ct Topaz (Round, Blue, 7.85 x 7.85) vs. 1ct Topaz (Round, Blue, 6.23 x 6.23)
- 2ct Topaz (Round, Blue, 7.85 x 7.85) vs. 0.5ct Topaz (Round, Blue, 4.95 x 4.95)
- 2ct Topaz (Round, Blue, 7.85 x 7.85) vs. 1.4ct Topaz (Round, Blue, 6.97 x 6.97)
- 2ct Topaz (Round, Blue, 7.85 x 7.85) vs. 1ct Tanzanite (Round, Blue, 6.37 x 6.37)
- 2ct Topaz (Round, Blue, 7.85 x 7.85) vs. 1ct Tourmaline (Round, Violet, 6.51 x 6.51)
- 2ct Topaz (Round, Blue, 7.85 x 7.85) vs. 2ct Topaz (Cushion, Blue, 7.34 x 7.34)
- 2ct Topaz (Round, Blue, 7.85 x 7.85) vs. 2ct Topaz (Princess, Blue, 7.06 x 7.06)
- 2ct Topaz (Round, Blue, 7.85 x 7.85) vs. 0.5ct Tourmaline (Oval, Violet, 6.54 x 4.36)
- 2ct Topaz (Round, Blue, 7.85 x 7.85) vs. 0.5ct Amethyst (Oval, Violet, 6.89 x 4.59)
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.