1.5ct Benitoite (Round, 7.06×7.06mm, Blue) vs 1.5ct Diamond (Round, 7.44×7.44mm, White)
Quick summary: When looked from above (face-up position), 1.5ct Diamond (7.44×7.44mm, round cut) appears 11% larger than 1.5ct Benitoite (7.06×7.06mm, round cut). See below how they compare side-by-side on a ring and finger.
| 1.5ct Benitoite (round cut) |
vs
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1.5ct Diamond (round cut) |
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blue |
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| 7.06×7.06 mm | 7.44×7.44 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
1.5ct Benitoite Round (7.06×7.06mm, Blue)
and
1.5ct Diamond Round (7.44×7.44mm, 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, Benitoite will face-up smaller than Diamond for a given
carat weight, because it has higher specific gravity
(3.65 vs. 3.52 - this means it's "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.
| 1.5 Ct Benitoite (Round) | 1.5 Ct Diamond (Round) | |
| 7.06×7.06 mm | vs | 7.44×7.44 mm |
| 39.15 mm² | 43.47 mm² |
| 1.5ct Benitoite Round (7.06×7.06mm) | |
| 1.5ct Diamond Round (7.44×7.44mm) | |
| Difference: 11% (4.32 mm²) |
1.5ct Diamond (Round, 7.44×7.44mm) has approx. 11% more face-up area than 1.5ct Benitoite (Round, 7.06×7.06mm).
Popular comparisons:
- 1ct Benitoite (Round, Light Blue, 6.16 x 6.16) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Benitoite (Round, Blue, 6.16 x 6.16) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1.27ct Benitoite (Round, Blue, 6.3 x 6.4) vs. 1ct Sapphire (Oval, Blue, 7.56 x 5.04)
- 2ct Benitoite (Round, Blue, 7.77 x 7.77) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 5ct Benitoite (Round, Blue, 10.54 x 10.54) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 0.21ct Benitoite (Round, Blue, 3.5 x 3.5) vs. 0.32ct Benitoite (Round, Blue, 4.2 x 4.2)
- 2ct Benitoite (Round, Blue, 7.77 x 7.77) vs. 1.5ct Diamond (Round, White, 7.44 x 7.44)
- 0.2ct Benitoite (Round, Blue, 3.5 x 3.5) vs. 0.32ct Benitoite (Round, Blue, 4.2 x 4.2)