36ct Benitoite (Emerald, 21.74×16.1mm, Blue) vs 36ct Alexandrite (Emerald, 21.59×15.99mm, Bluish Green)
Quick summary: When looked from above (face-up position), 36ct Benitoite (21.74×16.1mm, emerald cut) appears 1% larger than 36ct Alexandrite (21.59×15.99mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 36ct Benitoite (emerald cut) |
vs
|
36ct Alexandrite (emerald cut) |
|
blue |
|
|
| 21.74×16.1 mm | 21.59×15.99 mm | |
| actual size | ||
|
|
|
Actual size is set for screen
|
Ring:
Skin tone:
Ring width: 3.0 mm
|
|
64 mm |
|
|
|||||||||||||||||
|
|||||||||||||||||||||
Actual sizes of
36ct Benitoite Emerald (21.74×16.1mm, Blue)
and
36ct Alexandrite Emerald (21.59×15.99mm, Bluish 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, Alexandrite will face-up slightly smaller than Benitoite for a given
carat weight, because it has higher specific gravity
(3.73 vs. 3.65 - this means it's "slightly heavier" compared to Benitoite 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.
| 36 Ct Benitoite (Emerald) | 36 Ct Alexandrite (Emerald) | |
| 21.74×16.1 mm | vs | 21.59×15.99 mm |
| 325.51 mm² | 321.06 mm² |
| 36ct Benitoite Emerald (21.74×16.1mm) | |
| 36ct Alexandrite Emerald (21.59×15.99mm) | |
| Difference: 1% (4.45 mm²) |
36ct Benitoite (Emerald, 21.74×16.1mm) has approx. 1% more face-up area than 36ct Alexandrite (Emerald, 21.59×15.99mm).
Popular comparisons:
- 1ct Benitoite (Emerald, Dark Blue, 6.59 x 4.88) vs. 1ct Sapphire (Emerald, Blue, 6.39 x 4.73)
- 1ct Benitoite (Emerald, Dark Blue, 6.59 x 4.88) vs. 2ct Sapphire (Round, Blue, 7.53 x 7.53)
- 1ct Benitoite (Emerald, Dark Blue, 6.59 x 4.88) vs. 2ct Sapphire (Baguette, Blue, 8.73 x 5.82)
- 1ct Benitoite (Emerald, Light Blue, 6.59 x 4.88) vs. 1ct Diamond (Emerald, White, 6.68 x 4.95)
- 0.34ct Benitoite (Emerald, Blue, 4.59 x 3.4) vs. 0.9ct Diaspore (Cushion, Red, 5.7 x 5.7)
- 5ct Benitoite (Emerald, Blue, 11.26 x 8.34) vs. 5ct Diamond (Emerald, White, 11.42 x 8.46)
- 1ct Benitoite (Emerald, Dark Blue, 6.59 x 4.88) vs. 1ct Sapphire (Round, Blue, 5.98 x 5.98)
- 1ct Benitoite (Emerald, Dark Blue, 6.59 x 4.88) vs. 2ct Sapphire (Trillion, Blue, 8.86 x 8.86)
- 1ct Benitoite (Emerald, Dark Blue, 6.59 x 4.88) vs. 1.2ct Sapphire (Emerald, Blue, 6.79 x 5.03)