1.8ct Sapphire (Emerald, 7.76×5.75mm, Blue) vs 1.5ct Diamond (Emerald, 7.65×5.67mm, White)
Quick summary: When looked from above (face-up position), 1.8ct Sapphire (7.76×5.75mm, emerald cut) appears 3% larger than 1.5ct Diamond (7.65×5.67mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 1.8ct Sapphire (emerald cut) |
vs
|
1.5ct Diamond (emerald cut) |
|
blue |
|
|
| 7.76×5.75 mm | 7.65×5.67 mm | |
| actual size | ||
|
|
|
|
|
||
Actual size is set for screen
|
Ring:
Skin tone:
Ring width: 3.0 mm
|
|
64 mm |
|
|
|||||||||||||||||
|
|||||||||||||||||||||
Actual sizes of
1.8ct Sapphire Emerald (7.76×5.75mm, Blue)
and
1.5ct Diamond Emerald (7.65×5.67mm, 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.
| 1.8 Ct Sapphire (Emerald) | 1.5 Ct Diamond (Emerald) | |
| 7.76×5.75 mm | vs | 7.65×5.67 mm |
| 41.5 mm² | 40.34 mm² |
| 1.8ct Sapphire Emerald (7.76×5.75mm) | |
| 1.5ct Diamond Emerald (7.65×5.67mm) | |
| Difference: 3% (1.16 mm²) |
1.8ct Sapphire (Emerald, 7.76×5.75mm) has approx. 3% more face-up area than 1.5ct Diamond (Emerald, 7.65×5.67mm).
Popular comparisons:
- 1.8ct Sapphire (Emerald, Blue, 7.76 x 5.75) vs. 2.3ct Sapphire (Emerald, Light Blue, 8.42 x 6.24)
- 1.8ct Sapphire (Emerald, Blue, 7.76 x 5.75) vs. 1.6ct Sapphire (Cushion, Light Blue, 6.54 x 6.54)
- 1.8ct Sapphire (Emerald, Blue, 7.76 x 5.75) vs. 2ct Sapphire (Emerald, Blue, 8.05 x 5.96)
- 1.8ct Sapphire (Emerald, Blue, 7.76 x 5.75) vs. 1.6ct Diamond (Emerald, White, 7.82 x 5.79)
- 1.8ct Sapphire (Emerald, Blue, 7.76 x 5.75) vs. 0.15ct Diamond (Round, White, 3.45 x 3.45)
- 1ct Sapphire (Emerald, Blue, 7 x 5) vs. 1ct Sapphire (Oval, Blue, 7 x 5)
- 2ct Sapphire (Emerald, Blue, 8.05 x 5.96) vs. 2ct Diamond (Emerald, White, 8.42 x 6.24)
- 2ct Sapphire (Emerald, Blue, 8.05 x 5.96) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)