1ct Ruby (Oval, 7.56×5.04mm, Red) vs 3ct Sapphire (Oval, 10.91×7.27mm, Blue)
Quick summary: When looked from above (face-up position), 3ct Sapphire (10.91×7.27mm, oval cut) appears 2.1 times larger than 1ct Ruby (7.56×5.04mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 1ct Ruby (oval cut) |
vs
|
3ct Sapphire (oval cut) |
|
red |
|
|
| 7.56×5.04 mm | 10.91×7.27 mm | |
| actual size | ||
|
|
|
|
|
||
Actual size is set for screen
|
Ring:
Skin tone:
Ring width: 3.0 mm
|
|
64 mm |
|
|
|||||||||||||||||
|
|||||||||||||||||||||
Actual sizes of
1ct Ruby Oval (7.56×5.04mm, Red)
and
3ct Sapphire Oval (10.91×7.27mm, Blue)
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
Ruby and Sapphire have the same specific gravity so their face-up size
depends on the weight, shape and 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.
| 1 Ct Ruby (Oval) | 3 Ct Sapphire (Oval) | |
| 7.56×5.04 mm | vs | 10.91×7.27 mm |
| 31.24 mm² | 65.04 mm² |
| 1ct Ruby Oval (7.56×5.04mm) | |
| 3ct Sapphire Oval (10.91×7.27mm) | |
| Difference: 108% (33.8 mm²) |
3ct Sapphire (Oval, 10.91×7.27mm) has approx. 108% more face-up area than 1ct Ruby (Oval, 7.56×5.04mm). In other words, it's 2.08x larger.
Popular comparisons:
- 1ct Ruby (Oval, Red, 7.56 x 5.04) vs. 1ct Diamond (Oval, White, 8.12 x 5.41)
- 1ct Ruby (Oval, Red, 7.56 x 5.04) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Ruby (Oval, Red, 7.56 x 5.04) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Ruby (Oval, Red, 7.56 x 5.04) vs. 1.5ct Ruby (Oval, Red, 8.66 x 5.77)
- 1ct Ruby (Oval, Red, 7.56 x 5.04) vs. 2ct Ruby (Oval, Red, 9.53 x 6.35)
- 1ct Ruby (Oval, Red, 7.56 x 5.04) vs. 1ct Emerald (Oval, Green, 8.63 x 5.75)
- 1ct Ruby (Oval, Red, 7.56 x 5.04) vs. 1.2ct Ruby (Oval, Red, 8.04 x 5.36)
- 1ct Ruby (Oval, Red, 7.56 x 5.04) vs. 1ct Aquamarine (Oval, Light Blue, 8.63 x 5.75)