2.5ct Diopside (Marquise, 14.28×7.14mm, Green) vs 2ct Diamond (Round, 8.19×8.19mm, White)
Quick summary: When looked from above (face-up position), 2.5ct Diopside (14.28×7.14mm, marquise cut) appears 37% 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 (marquise cut) |
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2ct Diamond (round cut) |
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| 14.28×7.14 mm | 8.19×8.19 mm | |
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Actual sizes of
2.5ct Diopside Marquise (14.28×7.14mm, 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 (Marquise) | 2 Ct Diamond (Round) | |
| 14.28×7.14 mm | vs | 8.19×8.19 mm |
| 72.39 mm² | 52.68 mm² |
| 2.5ct Diopside Marquise (14.28×7.14mm) | |
| 2ct Diamond Round (8.19×8.19mm) | |
| Difference: 37% (19.71 mm²) |
2.5ct Diopside Marquise (14.28×7.14mm) has approx. 37% more face-up area than 2ct Diamond Round (8.19×8.19mm).
Popular comparisons:
- 1ct Diopside (Marquise, Green, 10.52 x 5.26) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 1.5ct Diopside (Marquise, Green, 12.04 x 6.02) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2ct Diopside (Marquise, Green, 13.26 x 6.63) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 11.29ct Diopside (Marquise, Green, 23.6 x 11.8) vs. 8.01ct Amethyst (Oval, Violet, 17.36 x 11.57)
- 10ct Diopside (Marquise, Dark Green, 22.68 x 11.34) vs. 10ct Emerald (Marquise, Green, 24.24 x 12.12)
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)
- 1ct Kyanite (Oval, Blue, 7.77 x 5.18) vs. 1ct Tanzanite (Oval, Blue, 8.07 x 5.38)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
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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.