20ct Hiddenite (Marquise, 28.48×14.24mm, Light Green ) vs 20ct Diopside (Marquise, 28.14×14.07mm, Green)
Quick summary: When looked from above (face-up position), 20ct Hiddenite (28.48×14.24mm, marquise cut) appears 2% larger than 20ct Diopside (28.14×14.07mm, marquise cut). See below how they compare side-by-side on a ring and finger.
| 20ct Hiddenite (marquise cut) |
vs
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20ct Diopside (marquise cut) |
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light green |
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| 28.48×14.24 mm | 28.14×14.07 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
20ct Hiddenite Marquise (28.48×14.24mm, Light Green )
and
20ct Diopside Marquise (28.14×14.07mm, Green)
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, Diopside will face-up smaller than Hiddenite for a given
carat weight, because it has higher specific gravity
(3.3 vs. 3.18 - this means it's "heavier" compared to Hiddenite 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.
| 20 Ct Hiddenite (Marquise) | 20 Ct Diopside (Marquise) | |
| 28.48×14.24 mm | vs | 28.14×14.07 mm |
| 287.94 mm² | 281.11 mm² |
| 20ct Hiddenite Marquise (28.48×14.24mm) | |
| 20ct Diopside Marquise (28.14×14.07mm) | |
| Difference: 2% (6.83 mm²) |
20ct Hiddenite (Marquise, 28.48×14.24mm) has approx. 2% more face-up area than 20ct Diopside (Marquise, 28.14×14.07mm).
Popular comparisons:
- 10ct Hiddenite (Marquise, Green, 22.96 x 11.48) vs. 10ct Emerald (Marquise, Green, 24.24 x 12.12)
- 1.02ct Hiddenite (Marquise, Light Green , 10.72 x 5.36) vs. 1.5ct Emerald (Round, Green, 7.8 x 7.8)
- 40ct Hiddenite (Marquise, Green, 36.44 x 18.22) vs. 40ct Emerald (Marquise, Green, 38.48 x 19.24)
- 1ct Hiddenite (Marquise, Green, 10.66 x 5.33) vs. 1ct Emerald (Marquise, Green, 11.26 x 5.63)
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
- 1ct Kyanite (Oval, Blue, 7.77 x 5.18) vs. 1ct Tanzanite (Oval, Blue, 8.07 x 5.38)
- 1ct Aquamarine (Oval, Light Blue, 8 x 6) vs. 1ct Spinel (Oval, Gray, 8 x 6)
- 1.16ct Diamond (Round, White, 6.82 x 6.85) vs. 1.2ct Diamond (Round, White, 6.82 x 6.86)