0.7ct Sapphire (Round, 5.31×5.31mm, Blue) vs 0.5ct Diamond (Round, 5.16×5.16mm, White)
Quick summary: When looked from above (face-up position), 0.7ct Sapphire (5.31×5.31mm, round cut) appears 6% larger than 0.5ct Diamond (5.16×5.16mm, round cut). See below how they compare side-by-side on a ring and finger.
| 0.7ct Sapphire (round cut) |
vs
|
0.5ct Diamond (round cut) |
|
blue |
|
|
| 5.31×5.31 mm | 5.16×5.16 mm | |
| actual size | ||
|
|
|
|
|
||
Actual size is set for screen
|
Ring:
Skin tone:
Ring width: 3.0 mm
|
|
64 mm |
|
|
|||||||||||||||||
|
|||||||||||||||||||||
Actual sizes of
0.7ct Sapphire Round (5.31×5.31mm, Blue)
and
0.5ct Diamond Round (5.16×5.16mm, 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.
| 0.7 Ct Sapphire (Round) | 0.5 Ct Diamond (Round) | |
| 5.31×5.31 mm | vs | 5.16×5.16 mm |
| 22.15 mm² | 20.91 mm² |
| 0.7ct Sapphire Round (5.31×5.31mm) | |
| 0.5ct Diamond Round (5.16×5.16mm) | |
| Difference: 6% (1.24 mm²) |
0.7ct Sapphire (Round, 5.31×5.31mm) has approx. 6% more face-up area than 0.5ct Diamond (Round, 5.16×5.16mm).
Popular comparisons:
- 0.7ct Sapphire (Round, Blue, 5.31 x 5.31) vs. 0.7ct Diamond (Round, White, 5.77 x 5.77)
- 0.7ct Sapphire (Round, Blue, 5.31 x 5.31) vs. 1.21ct Diamond (Round, White, 6.93 x 6.93)
- 0.7ct Sapphire (Round, Blue, 5.31 x 5.31) vs. 0.5ct Sapphire (Round, Blue, 4.75 x 4.75)
- 0.7ct Sapphire (Round, Blue, 5.31 x 5.31) vs. 0.75ct Sapphire (Oval, Blue, 6.87 x 4.58)
- 0.7ct Sapphire (Round, Blue, 5.31 x 5.31) vs. 0.7ct Topaz (Round, Blue, 5.53 x 5.53)
- 0.7ct Sapphire (Round, Blue, 5.31 x 5.31) vs. 0.25ct Diamond (Round, White, 4.09 x 4.09)
- 0.7ct Sapphire (Round, Blue, 5.31 x 5.31) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 0.7ct Sapphire (Round, Blue, 5.31 x 5.31) vs. 0.7ct Diamond (Oval, White, 7.2 x 4.8)