10ct Tanzanite (Round, 13.73×13.73mm, Blue) vs 10ct Diamond (Round, 14×14mm, White)
Quick summary: When looked from above (face-up position), 10ct Diamond (14×14mm, round cut) appears 4% larger than 10ct Tanzanite (13.73×13.73mm, round cut). See below how they compare side-by-side on a ring and finger.
| 10ct Tanzanite (round cut) |
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10ct Diamond (round cut) |
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blue |
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| 13.73×13.73 mm | 14×14 mm | |
| actual size | ||
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Actual size is set for screen
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Ring:
Skin tone:
Ring width: 3.0 mm
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64 mm |
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Actual sizes of
10ct Tanzanite Round (13.73×13.73mm, Blue)
and
10ct Diamond Round (14×14mm, 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 Tanzanite for a given
carat weight, because it has higher specific gravity
(3.52 vs. 3.35 - this means it's "heavier" compared to Tanzanite 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.
| 10 Ct Tanzanite (Round) | 10 Ct Diamond (Round) | |
| 13.73×13.73 mm | vs | 14×14 mm |
| 148.06 mm² | 153.94 mm² |
| 10ct Tanzanite Round (13.73×13.73mm) | |
| 10ct Diamond Round (14×14mm) | |
| Difference: 4% (5.88 mm²) |
10ct Diamond (Round, 14×14mm) has approx. 4% more face-up area than 10ct Tanzanite (Round, 13.73×13.73mm).
Popular comparisons:
- 10ct Tanzanite (Round, Blue, 13.73 x 13.73) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 10ct Tanzanite (Round, Blue, 13.73 x 13.73) vs. 10ct Emerald (Emerald, Green, 15.69 x 11.62)
- 10ct Tanzanite (Round, Blue, 13.73 x 13.73) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 10ct Tanzanite (Round, Blue, 13.73 x 13.73) vs. 10ct Sapphire (Round, Blue, 12.88 x 12.88)
- 10ct Tanzanite (Round, Blue, 13.73 x 13.73) vs. 1ct Emerald (Round, Green, 6.37 x 6.37)
- 10ct Tanzanite (Round, Blue, 13.73 x 13.73) vs. 2ct Emerald (Emerald, Green, 9.17 x 6.79)
- 10ct Tanzanite (Round, Blue, 13.73 x 13.73) vs. 3ct Diamond (Round, White, 9.37 x 9.37)
- 10ct Tanzanite (Round, Blue, 13.73 x 13.73) vs. 3ct Diamond (Emerald, White, 9.64 x 7.14)
Use the simulator on this page to play around with different ring and finger configurations.