28ct Hiddenite (Round, 19.6×19.6mm, Light Green ) vs 28ct Diopside (Round, 19.36×19.36mm, Green)
Quick summary: When looked from above (face-up position), 28ct Hiddenite (19.6×19.6mm, round cut) appears 2% larger than 28ct Diopside (19.36×19.36mm, round cut). See below how they compare side-by-side on a ring and finger.
| 28ct Hiddenite (round cut) |
vs
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28ct Diopside (round cut) |
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light green |
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| 19.6×19.6 mm | 19.36×19.36 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
28ct Hiddenite Round (19.6×19.6mm, Light Green )
and
28ct Diopside Round (19.36×19.36mm, 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.
| 28 Ct Hiddenite (Round) | 28 Ct Diopside (Round) | |
| 19.6×19.6 mm | vs | 19.36×19.36 mm |
| 301.72 mm² | 294.37 mm² |
| 28ct Hiddenite Round (19.6×19.6mm) | |
| 28ct Diopside Round (19.36×19.36mm) | |
| Difference: 2% (7.35 mm²) |
28ct Hiddenite (Round, 19.6×19.6mm) has approx. 2% more face-up area than 28ct Diopside (Round, 19.36×19.36mm).
Popular comparisons:
- 1ct Hiddenite (Round, Light Green , 6.45 x 6.45) vs. 1ct Emerald (Round, Green, 6.8 x 6.8)
- 40ct Hiddenite (Round, Light Green , 22.07 x 22.07) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 5.55ct Hiddenite (Round, Light Green , 11.43 x 11.43) vs. 4.45ct Topaz (Round, Orangey Red, 10.25 x 10.25)
- 1ct Hiddenite (Round, Light Green , 6.45 x 6.45) vs. 1ct Emerald (Round, Green, 6.82 x 6.82)
- 8ct Hiddenite (Round, Light Green , 12.91 x 12.91) vs. 5ct Diamond (Round, White, 11.11 x 11.11)
- 3ct Hiddenite (Round, Light Green , 9.31 x 9.31) vs. 5ct Ruby (Round, Red, 10.22 x 10.22)
- 1ct Hiddenite (Round, Light Green , 6.45 x 6.45) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 10ct Hiddenite (Round, Green, 13.9 x 13.9) vs. 10ct Emerald (Marquise, Green, 24.24 x 12.12)
- 3ct Hiddenite (Round, Light Green , 9.31 x 9.31) vs. 0.1ct Diamond (Round, White, 3.02 x 3.02)