1ct Benitoite (Pear, 7×7mm, Blue) vs 2ct Diamond (Round, 8.19×8.19mm, Light Gray)
Quick summary: When looked from above (face-up position), 2ct Colored Diamond (8.19×8.19mm, round cut) appears 47% larger than 1ct Benitoite (7×7mm, pear cut). See below how they compare side-by-side on a ring and finger.
| 1ct Benitoite (pear cut) |
vs
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2ct Diamond (round cut) |
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blue |
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| 7×7 mm | 8.19×8.19 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
1ct Benitoite Pear (7×7mm, Blue)
and
2ct Diamond Round (8.19×8.19mm, Light Gray)
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 Ct Benitoite (Pear) | 2 Ct Colored Diamond (Round) | |
| 7×7 mm | vs | 8.19×8.19 mm |
| 35.77 mm² | 52.68 mm² |
| 1ct Benitoite Pear (7×7mm) | |
| 2ct Colored Diamond Round (8.19×8.19mm) | |
| Difference: 47% (16.91 mm²) |
2ct Colored Diamond (Round, 8.19×8.19mm) has approx. 47% more face-up area than 1ct Benitoite (Pear, 7×7mm).
Popular comparisons:
- 1ct Benitoite (Pear, Blue, 7 x 7) vs. 1ct Diamond (Round, Light Gray, 6.5 x 6.5)
- 1ct Benitoite (Pear, Blue, 7 x 7) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Benitoite (Pear, Blue, 7 x 7) vs. 1ct Emerald (Princess, Dark Bluish Green, 6.13 x 6.13)
- 1ct Benitoite (Pear, Blue, 7 x 7) vs. 3ct Diamond (Round, Light Gray, 9.37 x 9.37)
- 2ct Benitoite (Pear, Blue, 10.79 x 6.5) vs. 4ct Sapphire (Princess, Blue, 8.53 x 8.53)
- 1.15ct Benitoite (Pear, Dark Blue, 8.96 x 5.4) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 5ct Benitoite (Pear, Blue, 14.64 x 8.82) vs. 5ct Kyanite (Pear, Blue, 14.61 x 8.8)
- 8ct Benitoite (Pear, Blue, 17.13 x 10.32) vs. 2ct Diamond (Round, White, 8.19 x 8.19)