40ct Spinel (Cabochon, 24.24×16.16mm, Red) vs 40ct Andesine (Cabochon, 26.78×17.85mm, Orange)
Quick summary: When looked from above (face-up position), 40ct Andesine (26.78×17.85mm, cabochon cut) appears 22% larger than 40ct Spinel (24.24×16.16mm, cabochon cut). See below how they compare side-by-side on a ring and finger.
| 40ct Spinel (cabochon cut) |
vs
|
40ct Andesine (cabochon cut) |
|
red |
|
|
| 24.24×16.16 mm | 26.78×17.85 mm | |
| actual size | ||
|
|
|
Actual size is set for screen
|
Ring:
Skin tone:
Ring width: 3.0 mm
|
|
64 mm |
|
|
|||||||||||||||||
|
|||||||||||||||||||||
Actual sizes of
40ct Spinel Cabochon (24.24×16.16mm, Red)
and
40ct Andesine Cabochon (26.78×17.85mm, 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, Spinel will face-up smaller than Andesine for a given
carat weight, because it has higher specific gravity
(3.6 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.
| 40 Ct Spinel (Cabochon) | 40 Ct Andesine (Cabochon) | |
| 24.24×16.16 mm | vs | 26.78×17.85 mm |
| 321.21 mm² | 391.98 mm² |
| 40ct Spinel Cabochon (24.24×16.16mm) | |
| 40ct Andesine Cabochon (26.78×17.85mm) | |
| Difference: 22% (70.77 mm²) |
40ct Andesine (Cabochon, 26.78×17.85mm) has approx. 22% more face-up area than 40ct Spinel (Cabochon, 24.24×16.16mm).
Popular comparisons:
- 6.7ct Spinel (Cabochon, Red, 13.37 x 8.91) vs. 6.7ct Diamond (Cabochon, White, 13.47 x 8.98)
- 2.45ct Spinel (Cabochon, Gray, 9.56 x 6.37) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1.6ct Spinel (Cabochon, Red, 8.3 x 5.53) vs. 1.6ct Sapphire (Cabochon, Blue, 8.01 x 5.34)
- 1ct Spinel (Cabochon, Light Red, 7.1 x 4.73) vs. 20ct Emerald (Cabochon, Green, 21.18 x 14.12)
- 5.5ct Spinel (Cabochon, Red, 12.51 x 8.34) vs. 5.5ct Ruby (Cabochon, Red, 12.08 x 8.05)
- 2.08ct Spinel (Cabochon, Gray, 9.05 x 6.03) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 3.9ct Spinel (Cabochon, Red, 11.16 x 7.44) vs. 4ct Diamond (Emerald, White, 10.61 x 7.86)
- 8ct Spinel (Cabochon, Red, 14.18 x 9.45) vs. 8ct Spinel (Oval, Red, 15.68 x 10.45)
- 2.47ct Spinel (Cabochon, Gray, 9.59 x 6.39) vs. 2.47ct Diamond (Cabochon, White, 9.66 x 6.44)