15ct Sinhalite (Cabochon, 17.69×11.79mm, Light Brown) vs 15ct Andesine (Cabochon, 19.31×12.87mm, Orange)
Quick summary: When looked from above (face-up position), 15ct Andesine (19.31×12.87mm, cabochon cut) appears 19% larger than 15ct Sinhalite (17.69×11.79mm, cabochon cut). See below how they compare side-by-side on a ring and finger.
| 15ct Sinhalite (cabochon cut) |
vs
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15ct Andesine (cabochon cut) |
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light brown |
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| 17.69×11.79 mm | 19.31×12.87 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
15ct Sinhalite Cabochon (17.69×11.79mm, Light Brown)
and
15ct Andesine Cabochon (19.31×12.87mm, Orange)
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, Sinhalite will face-up smaller than Andesine for a given
carat weight, because it has higher specific gravity
(3.48 vs. 2.67 - this means it's "heavier" compared to Andesine 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.
| 15 Ct Sinhalite (Cabochon) | 15 Ct Andesine (Cabochon) | |
| 17.69×11.79 mm | vs | 19.31×12.87 mm |
| 171.02 mm² | 203.79 mm² |
| 15ct Sinhalite Cabochon (17.69×11.79mm) | |
| 15ct Andesine Cabochon (19.31×12.87mm) | |
| Difference: 19% (32.77 mm²) |
15ct Andesine (Cabochon, 19.31×12.87mm) has approx. 19% more face-up area than 15ct Sinhalite (Cabochon, 17.69×11.79mm).
Popular comparisons:
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- 1ct Topaz (Round, Blue, 6 x 6) vs. 0.5ct Topaz (Round, Blue, 5 x 5)