0.75ct Sapphire (Emerald, 5.81×4.3mm, Blue) vs 2.75ct Diamond (Cushion, 8.16×8.16mm, White)
Quick summary: When looked from above (face-up position), 2.75ct Diamond (8.16×8.16mm, cushion cut) appears 2.6 times larger than 0.75ct Sapphire (5.81×4.3mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 0.75ct Sapphire (emerald cut) |
vs
|
2.75ct Diamond (cushion cut) |
|
blue |
|
|
| 5.81×4.3 mm | 8.16×8.16 mm | |
| actual size | ||
|
|
|
|
|
||
Actual size is set for screen
|
Ring:
Skin tone:
Ring width: 3.0 mm
|
|
64 mm |
|
|
|||||||||||||||||
|
|||||||||||||||||||||
Actual sizes of
0.75ct Sapphire Emerald (5.81×4.3mm, Blue)
and
2.75ct Diamond Cushion (8.16×8.16mm, White)
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, Sapphire will face-up smaller than Diamond for a given
carat weight, because it has higher specific gravity
(4 vs. 3.52 - this means it's "heavier" compared to Diamond 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.
| 0.75 Ct Sapphire (Emerald) | 2.75 Ct Diamond (Cushion) | |
| 5.81×4.3 mm | vs | 8.16×8.16 mm |
| 23.23 mm² | 59.93 mm² |
| 0.75ct Sapphire Emerald (5.81×4.3mm) | |
| 2.75ct Diamond Cushion (8.16×8.16mm) | |
| Difference: 158% (36.7 mm²) |
2.75ct Diamond (Cushion, 8.16×8.16mm) has approx. 158% more face-up area than 0.75ct Sapphire (Emerald, 5.81×4.3mm). In other words, it's 2.58x larger.
Popular comparisons:
- 0.75ct Sapphire (Emerald, Blue, 5.81 x 4.3) vs. 0.75ct Diamond (Emerald, White, 6.08 x 4.5)
- 0.75ct Sapphire (Emerald, Blue, 5.81 x 4.3) vs. 0.5ct Emerald (Emerald, Green, 5.78 x 4.28)
- 0.75ct Sapphire (Emerald, Blue, 5.81 x 4.3) vs. 1ct Sapphire (Emerald, Blue, 6.39 x 4.73)
- 0.75ct Sapphire (Emerald, Blue, 5.81 x 4.3) vs. 0.5ct Diamond (Emerald, White, 5.31 x 3.93)
- 0.75ct Sapphire (Emerald, Blue, 5.81 x 4.3) vs. 3ct Diamond (Emerald, White, 9.64 x 7.14)
- 0.75ct Sapphire (Emerald, Blue, 5.81 x 4.3) vs. 2ct Diamond (Emerald, White, 8.42 x 6.24)
- 0.75ct Sapphire (Emerald, Blue, 5.81 x 4.3) vs. 1.1ct Diamond (Emerald, White, 6.9 x 5.11)
- 0.75ct Sapphire (Emerald, Blue, 5.81 x 4.3) vs. 0.5ct Sapphire (Emerald, Blue, 5.06 x 3.75)