2ct Topaz (Emerald, 8.38×6.21mm, Blue) 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 9% larger than 2ct Topaz (8.38×6.21mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 2ct Topaz (emerald cut) |
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2ct Diamond (round cut) |
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blue |
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| 8.38×6.21 mm | 8.19×8.19 mm | |
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Actual sizes of
2ct Topaz Emerald (8.38×6.21mm, 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?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
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 (Emerald) | 2 Ct Diamond (Round) | |
| 8.38×6.21 mm | vs | 8.19×8.19 mm |
| 48.4 mm² | 52.68 mm² |
| 2ct Topaz Emerald (8.38×6.21mm) | |
| 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 Emerald (8.38×6.21mm).
Popular comparisons:
- 2ct Topaz (Emerald, Blue, 8.38 x 6.21) vs. 1ct Topaz (Round, Blue, 6.23 x 6.23)
- 10ct Topaz (Emerald, White, 14 x 11) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.5ct Topaz (Emerald, Blue, 5.28 x 3.91) vs. 0.6ct Topaz (Emerald, Blue, 5.62 x 4.16)
- 11ct Topaz (Emerald, Blue, 14.81 x 10.97) vs. 11ct Diamond (Emerald, White, 14.86 x 11.01)
- 2ct Topaz (Emerald, Dark Bluish Green, 9 x 7) vs. 3ct Topaz (Emerald, Blue, 10 x 8)
- 10ct Topaz (Emerald, Blue, 14.34 x 10.62) vs. 23ct Kunzite (Cushion, Light Purple, 17.17 x 17.17)
- 26ct Topaz (Emerald, Violet, 19.72 x 14.61) vs. 8ct Amethyst (Emerald, Violet, 14.65 x 10.85)
- 9ct Topaz (Emerald, Light Blue, 13.85 x 10.26) vs. 9ct Diamond (Emerald, White, 13.89 x 10.29)
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.