12ct Quartz (Cushion, 14.54×14.54mm, Brown) vs 12ct Andesine (Cushion, 14.5×14.5mm, Orange)
Quick summary: When looked from above (face-up position), 12ct Quartz (14.54×14.54mm, cushion cut) appears 0.5% larger than 12ct Andesine (14.5×14.5mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 12ct Quartz (cushion cut) |
vs
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12ct Andesine (cushion cut) |
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brown |
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| 14.54×14.54 mm | 14.5×14.5 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
12ct Quartz Cushion (14.54×14.54mm, Brown)
and
12ct Andesine Cushion (14.5×14.5mm, 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, Andesine will face-up slightly smaller than Quartz for a given
carat weight, because it has higher specific gravity
(2.67 vs. 2.65 - this means it's "slightly heavier" compared to Quartz 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.
| 12 Ct Quartz (Cushion) | 12 Ct Andesine (Cushion) | |
| 14.54×14.54 mm | vs | 14.5×14.5 mm |
| 190.27 mm² | 189.23 mm² |
| 12ct Quartz Cushion (14.54×14.54mm) | |
| 12ct Andesine Cushion (14.5×14.5mm) | |
| Difference: 0.5% (1.04 mm²) |
12ct Quartz (Cushion, 14.54×14.54mm) has approx. 0.5% more face-up area than 12ct Andesine (Cushion, 14.5×14.5mm).
Popular comparisons:
- 3ct Quartz (Cushion, Orangey Red, 9.25 x 9.25) vs. 3ct Quartz (Radiant, Orangey Red, 8.91 x 8.91)
- 8ct Quartz (Cushion, Dark Red, 12.83 x 12.83) vs. 8ct Citrine (Cushion, Light Orange, 12.83 x 12.83)
- 4ct Quartz (Cushion, Gray, 9.5 x 9) vs. 4ct Quartz (Cushion, Gray, 9.5 x 9.5)
- 1ct Quartz (Cushion, Dark Brown, 6.41 x 6.41) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 10.11ct Quartz (Cushion, Light Red, 15.86 x 15.84) vs. 7.1ct Quartz (Cabochon, Light Red, 16.74 x 11.42)
- 2ct Quartz (Cushion, Light Purple, 8 x 8) vs. 1.5ct Tourmaline (Emerald, Green, 8 x 6)
- 3ct Quartz (Cushion, Dark Brown, 9.25 x 9.25) vs. 3ct Diamond (Cushion, White, 8.4 x 8.4)
- 5ct Quartz (Cushion, Blue, 10.97 x 10.97) vs. 7ct Quartz (Cushion, Light Blue, 12.27 x 12.27)
- 1.05ct Quartz (Cushion, Light Red, 5.2 x 7.8) vs. 1.89ct Quartz (Cushion, Light Red, 5.7 x 12.3)