18ct Sunstone (Baguette, 20.84×13.89mm, Orangey Red) vs 18ct Diopside (Baguette, 19.37×12.91mm, Green)
Quick summary: When looked from above (face-up position), 18ct Sunstone (20.84×13.89mm, baguette cut) appears 16% larger than 18ct Diopside (19.37×12.91mm, baguette cut). See below how they compare side-by-side on a ring and finger.
| 18ct Sunstone (baguette cut) |
vs
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18ct Diopside (baguette cut) |
|
orangey red |
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| 20.84×13.89 mm | 19.37×12.91 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
18ct Sunstone Baguette (20.84×13.89mm, Orangey Red)
and
18ct Diopside Baguette (19.37×12.91mm, 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.
| 18 Ct Sunstone (Baguette) | 18 Ct Diopside (Baguette) | |
| 20.84×13.89 mm | vs | 19.37×12.91 mm |
| 289.47 mm² | 250.07 mm² |
| 18ct Sunstone Baguette (20.84×13.89mm) | |
| 18ct Diopside Baguette (19.37×12.91mm) | |
| Difference: 16% (39.4 mm²) |
18ct Sunstone (Baguette, 20.84×13.89mm) has approx. 16% more face-up area than 18ct Diopside (Baguette, 19.37×12.91mm).
Popular comparisons:
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