19ct Sunstone (Radiant, 16.86×16.86mm, Orangey Red) vs 19ct Diopside (Radiant, 15.67×15.67mm, Green)
Quick summary: When looked from above (face-up position), 19ct Sunstone (16.86×16.86mm, radiant cut) appears 16% larger than 19ct Diopside (15.67×15.67mm, radiant cut). See below how they compare side-by-side on a ring and finger.
| 19ct Sunstone (radiant cut) |
vs
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19ct Diopside (radiant cut) |
|
orangey red |
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| 16.86×16.86 mm | 15.67×15.67 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
19ct Sunstone Radiant (16.86×16.86mm, Orangey Red)
and
19ct Diopside Radiant (15.67×15.67mm, 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 Sunstone for a given
carat weight, because it has higher specific gravity
(3.3 vs. 2.65 - this means it's "heavier" compared to Sunstone 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.
| 19 Ct Sunstone (Radiant) | 19 Ct Diopside (Radiant) | |
| 16.86×16.86 mm | vs | 15.67×15.67 mm |
| 270.05 mm² | 233.27 mm² |
| 19ct Sunstone Radiant (16.86×16.86mm) | |
| 19ct Diopside Radiant (15.67×15.67mm) | |
| Difference: 16% (36.78 mm²) |
19ct Sunstone (Radiant, 16.86×16.86mm) has approx. 16% more face-up area than 19ct Diopside (Radiant, 15.67×15.67mm).
Popular comparisons:
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