2.5ct Ruby (Cushion, 7.59×7.59mm, Red) vs 1.8ct Peridot (Cushion, 7.22×7.22mm, Yellowish Green)
Quick summary: When looked from above (face-up position), 2.5ct Ruby (7.59×7.59mm, cushion cut) appears 11% larger than 1.8ct Peridot (7.22×7.22mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 2.5ct Ruby (cushion cut) |
vs
|
1.8ct Peridot (cushion cut) |
|
red |
|
|
| 7.59×7.59 mm | 7.22×7.22 mm | |
| actual size | ||
|
|
|
|
|
||
Actual size is set for screen
Change
Settings
|
Ring:
Skin tone:
Ring width: 3.0 mm
Saved...
|
|
64 mm |
|
|
||||||||||||||||
|
||||||||||||||||||||
Actual sizes of
2.5ct Ruby Cushion (7.59×7.59mm, Red)
and
1.8ct Peridot Cushion (7.22×7.22mm, Yellowish 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, Ruby will face-up smaller than Peridot for a given
carat weight, because it has higher specific gravity
(4 vs. 3.35 - this means it's "heavier" compared to Peridot 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.
| 2.5 Ct Ruby (Cushion) | 1.8 Ct Peridot (Cushion) | |
| 7.59×7.59 mm | vs | 7.22×7.22 mm |
| 51.85 mm² | 46.92 mm² |
| 2.5ct Ruby Cushion (7.59×7.59mm) | |
| 1.8ct Peridot Cushion (7.22×7.22mm) | |
| Difference: 11% (4.93 mm²) |
2.5ct Ruby Cushion (7.59×7.59mm) has approx. 11% more face-up area than 1.8ct Peridot Cushion (7.22×7.22mm).
Popular comparisons:
- 2.5ct Ruby (Cushion, Red, 7.59 x 7.59) vs. 2.5ct Diamond (Cushion, White, 7.91 x 7.91)
- 2.5ct Ruby (Cushion, Red, 7.59 x 7.59) vs. 2ct Diamond (Cushion, White, 7.34 x 7.34)
- 2.5ct Ruby (Cushion, Red, 7.59 x 7.59) vs. 1.7ct Ruby (Cushion, Red, 6.67 x 6.67)
- 2.5ct Ruby (Cushion, Red, 7.59 x 7.59) vs. 9ct Peridot (Cushion, Yellowish Green, 12.34 x 12.34)
- 2.5ct Ruby (Cushion, Red, 7.59 x 7.59) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2.5ct Ruby (Cushion, Red, 7.59 x 7.59) vs. 2.5ct Diamond (Emerald, White, 9.07 x 6.72)
- 2.5ct Ruby (Cushion, Red, 7.59 x 7.59) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2.5ct Ruby (Cushion, Red, 7.59 x 7.59) vs. 3ct Ruby (Cushion, Red, 8.06 x 8.06)
Enter your screen size (diagonal)
My screen size is
inches
Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.