10ct Ruby (Oval, 16.29×10.86mm, Red) vs 2.75ct Diamond (Oval, 11.37×7.58mm, White)
Quick summary: When looked from above (face-up position), 10ct Ruby (16.29×10.86mm, oval cut) appears 2.1 times larger than 2.75ct Diamond (11.37×7.58mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 10ct Ruby (oval cut) |
vs
|
2.75ct Diamond (oval cut) |
|
red |
|
|
| 16.29×10.86 mm | 11.37×7.58 mm | |
| actual size | ||
|
|
|
|
|
||
Actual size is set for screen
|
Ring:
Skin tone:
Ring width: 3.0 mm
|
|
64 mm |
|
|
|||||||||||||||||
|
|||||||||||||||||||||
Actual sizes of
10ct Ruby Oval (16.29×10.86mm, Red)
and
2.75ct Diamond Oval (11.37×7.58mm, 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, Ruby 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.
| 10 Ct Ruby (Oval) | 2.75 Ct Diamond (Oval) | |
| 16.29×10.86 mm | vs | 11.37×7.58 mm |
| 145.07 mm² | 70.67 mm² |
| 10ct Ruby Oval (16.29×10.86mm) | |
| 2.75ct Diamond Oval (11.37×7.58mm) | |
| Difference: 105% (74.4 mm²) |
10ct Ruby (Oval, 16.29×10.86mm) has approx. 105% more face-up area than 2.75ct Diamond (Oval, 11.37×7.58mm). In other words, it's 2.05x larger.
Popular comparisons:
- 10ct Ruby (Oval, Red, 16.29 x 10.86) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 10ct Ruby (Oval, Red, 16.29 x 10.86) vs. 10ct Diamond (Oval, White, 17.49 x 11.66)
- 10ct Ruby (Oval, Red, 16.29 x 10.86) vs. 10ct Emerald (Oval, Green, 18.57 x 12.38)
- 10ct Ruby (Oval, Red, 16.29 x 10.86) vs. 1ct Ruby (Round, Red, 5.98 x 5.98)
- 10ct Ruby (Oval, Red, 16.29 x 10.86) vs. 1ct Alexandrite (Emerald, Bluish Green, 6.55 x 4.85)
- 10ct Ruby (Oval, Red, 16.29 x 10.86) vs. 14.15ct Quartz (Round, Orangey Red, 16.59 x 16.59)
- 10ct Ruby (Oval, Red, 16.29 x 10.86) vs. 2.86ct Ruby (Oval, Red, 10.74 x 7.16)
- 10ct Ruby (Oval, Red, 16.29 x 10.86) vs. 4ct Ruby (Oval, Red, 12 x 8)