4ct Ruby (Oval, 12×8mm, Red) vs 3ct Ruby (Oval, 10×8mm, Red)
Quick summary: When looked from above (face-up position), 4ct Ruby (12×8mm, oval cut) appears 20% larger than 3ct Ruby (10×8mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 4ct Ruby (oval cut) |
vs
|
3ct Ruby (oval cut) |
|
red |
|
|
| 12×8 mm | 10×8 mm | |
| actual size | ||
|
|
|
Actual size is set for screen
|
Ring:
Skin tone:
Ring width: 3.0 mm
|
|
64 mm |
|
|
|||||||||||||||||
|
|||||||||||||||||||||
Actual sizes of
4ct Ruby Oval (12×8mm, Red)
and
3ct Ruby Oval (10×8mm, Red)
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
The face-up size depends on the shape of the gem, its weight and 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.
| 4 Ct Ruby (Oval) | 3 Ct Ruby (Oval) | |
| 12×8 mm | vs | 10×8 mm |
| 78.72 mm² | 65.6 mm² |
| 4ct Ruby Oval (12×8mm) | |
| 3ct Ruby Oval (10×8mm) | |
| Difference: 20% (13.12 mm²) |
4ct Ruby (Oval, 12×8mm) has approx. 20% more face-up area than 3ct Ruby (Oval, 10×8mm).
Popular comparisons:
- 4ct Ruby (Oval, Red, 12 x 8) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 4ct Ruby (Oval, Red, 12 x 8) vs. 4ct Diamond (Oval, White, 12.89 x 8.59)
- 4ct Ruby (Oval, Red, 12 x 8) vs. 5ct Ruby (Oval, Red, 12.93 x 8.62)
- 4ct Ruby (Oval, Red, 12 x 8) vs. 2.75ct Diamond (Oval, White, 11.37 x 7.58)
- 4ct Ruby (Oval, Red, 12 x 8) vs. 3.5ct Diamond (Oval, White, 12.32 x 8.21)
- 4ct Ruby (Oval, Red, 12 x 8) vs. 3ct Emerald (Oval, Light Bluish Green, 12.44 x 8.29)
- 4ct Ruby (Oval, Red, 12 x 8) vs. 5ct Ruby (Marquise, Red, 16.88 x 8.44)
- 4ct Ruby (Oval, Red, 12 x 8) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)