0.3ct Sapphire (Oval, 5.07×3.38mm, Blue) vs 1ct Diamond (Oval, 8.12×5.41mm, White)
Quick summary: When looked from above (face-up position), 1ct Diamond (8.12×5.41mm, oval cut) appears 2.6 times larger than 0.3ct Sapphire (5.07×3.38mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 0.3ct Sapphire (oval cut) |
vs
|
1ct Diamond (oval cut) |
|
blue |
|
|
| 5.07×3.38 mm | 8.12×5.41 mm | |
| actual size | ||
|
|
|
|
|
||
Actual size is set for screen
|
Ring:
Skin tone:
Ring width: 3.0 mm
|
|
64 mm |
|
|
|||||||||||||||||
|
|||||||||||||||||||||
Actual sizes of
0.3ct Sapphire Oval (5.07×3.38mm, Blue)
and
1ct Diamond Oval (8.12×5.41mm, 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.
| 0.3 Ct Sapphire (Oval) | 1 Ct Diamond (Oval) | |
| 5.07×3.38 mm | vs | 8.12×5.41 mm |
| 14.05 mm² | 36.02 mm² |
| 0.3ct Sapphire Oval (5.07×3.38mm) | |
| 1ct Diamond Oval (8.12×5.41mm) | |
| Difference: 156% (21.97 mm²) |
1ct Diamond (Oval, 8.12×5.41mm) has approx. 156% more face-up area than 0.3ct Sapphire (Oval, 5.07×3.38mm). In other words, it's 2.56x larger.
Popular comparisons:
- 0.3ct Sapphire (Oval, Blue, 5.07 x 3.38) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.3ct Sapphire (Oval, Blue, 5.07 x 3.38) vs. 0.3ct Diamond (Oval, White, 5.43 x 3.62)
- 0.3ct Sapphire (Oval, Blue, 5.07 x 3.38) vs. 0.3ct Emerald (Oval, Green, 5.78 x 3.85)
- 0.3ct Sapphire (Oval, Blue, 5.07 x 3.38) vs. 0.48ct Emerald (Round, Green, 5 x 5)
- 0.3ct Sapphire (Oval, Blue, 5.07 x 3.38) vs. 0.5ct Emerald (Round, Green, 5 x 5)
- 0.3ct Sapphire (Oval, Blue, 5.07 x 3.38) vs. 1ct Diopside (Oval, Green, 8.07 x 5.38)
- 0.3ct Sapphire (Oval, Blue, 5.07 x 3.38) vs. 0.5ct Diamond (Oval, White, 6.44 x 4.29)
- 0.3ct Sapphire (Oval, Blue, 5.07 x 3.38) vs. 0.25ct Diamond (Oval, White, 5.12 x 3.41)