2.5ct Diopside (Round, 8.65×8.65mm, Green) vs 2ct Diamond (Round, 8.19×8.19mm, White)
Quick summary: When looked from above (face-up position), 2.5ct Diopside (8.65×8.65mm, round cut) appears 12% larger than 2ct Diamond (8.19×8.19mm, round cut). See below how they compare side-by-side on a ring and finger.
| 2.5ct Diopside (round cut) |
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2ct Diamond (round cut) |
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green |
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| 8.65×8.65 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
2.5ct Diopside Round (8.65×8.65mm, Green)
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, Diamond will face-up smaller than Diopside for a given
carat weight, because it has higher specific gravity
(3.52 vs. 3.3 - this means it's "heavier" compared to Diopside 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.
| 2.5 Ct Diopside (Round) | 2 Ct Diamond (Round) | |
| 8.65×8.65 mm | vs | 8.19×8.19 mm |
| 58.77 mm² | 52.68 mm² |
| 2.5ct Diopside Round (8.65×8.65mm) | |
| 2ct Diamond Round (8.19×8.19mm) | |
| Difference: 12% (6.09 mm²) |
2.5ct Diopside (Round, 8.65×8.65mm) has approx. 12% more face-up area than 2ct Diamond (Round, 8.19×8.19mm).
Popular comparisons:
- 1ct Diopside (Round, Green, 6.37 x 6.37) vs. 1ct Sapphire (Round, Blue, 5.98 x 5.98)
- 2ct Diopside (Round, Green, 8.03 x 8.03) vs. 1ct Diopside (Round, Green, 6.37 x 6.37)
- 1ct Diopside (Round, Green, 6.37 x 6.37) vs. 1ct Emerald (Round, Green, 6.82 x 6.82)
- 2ct Diopside (Round, Green, 8.03 x 8.03) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2ct Diopside (Round, Green, 8.03 x 8.03) vs. 3ct Diopside (Round, Green, 9.19 x 9.19)
- 1.2ct Diopside (Round, Dark Green, 6.77 x 6.77) vs. 1.5ct Diopside (Round, Dark Green, 7.3 x 7.3)
- 1.5ct Diopside (Round, Dark Green, 7.3 x 7.3) vs. 2ct Diopside (Round, Dark Green, 8.03 x 8.03)
- 0.15ct Diopside (Round, Green, 3.39 x 3.39) vs. 0.2ct Diamond (Round, White, 3.8 x 3.8)