3.5ct Ruby (Princess, 8.16×8.16mm, Red) vs 3.5ct Tanzanite (Princess, 8.7×8.7mm, Blue)
Quick summary: When looked from above (face-up position), 3.5ct Tanzanite (8.7×8.7mm, princess cut) appears 14% larger than 3.5ct Ruby (8.16×8.16mm, princess cut). See below how they compare side-by-side on a ring and finger.
| 3.5ct Ruby (princess cut) |
vs
|
3.5ct Tanzanite (princess cut) |
|
red |
|
|
| 8.16×8.16 mm | 8.7×8.7 mm | |
| actual size | ||
|
|
|
|
|
||
Actual size is set for screen
Change
Settings
|
Ring:
Skin tone:
Ring width: 3.0 mm
Saved...
|
|
64 mm |
|
|
||||||||||||||||
|
||||||||||||||||||||
Actual sizes of
3.5ct Ruby Princess (8.16×8.16mm, Red)
and
3.5ct Tanzanite Princess (8.7×8.7mm, 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
All things being equal, Ruby will face-up smaller than Tanzanite for a given
carat weight, because it has higher specific gravity
(4 vs. 3.3 - this means it's "heavier" compared to Tanzanite 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.
| 3.5 Ct Ruby (Princess) | 3.5 Ct Tanzanite (Princess) | |
| 8.16×8.16 mm | vs | 8.7×8.7 mm |
| 66.59 mm² | 75.69 mm² |
| 3.5ct Ruby Princess (8.16×8.16mm) | |
| 3.5ct Tanzanite Princess (8.7×8.7mm) | |
| Difference: 14% (9.1 mm²) |
3.5ct Tanzanite Princess (8.7×8.7mm) has approx. 14% more face-up area than 3.5ct Ruby Princess (8.16×8.16mm).
Popular comparisons:
- 2ct Ruby (Princess, Red, 6.77 x 6.77) vs. 2ct Diamond (Princess, White, 6.94 x 6.94)
- 0.8ct Ruby (Princess, Red, 4.99 x 4.99) vs. 0.9ct Sapphire (Princess, Blue, 5.19 x 5.19)
- 0.27ct Ruby (Princess, Red, 3.5 x 3.5) vs. 0.36ct Ruby (Princess, Red, 4 x 4)
- 0.75ct Ruby (Princess, Red, 4.88 x 4.88) vs. 0.75ct Sapphire (Round, Blue, 5.43 x 5.43)
- 0.8ct Ruby (Princess, Red, 4.99 x 4.99) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 4.93ct Ruby (Princess, Red, 9.4 x 9.4) vs. 4.93ct Diamond (Princess, White, 9.38 x 9.38)
- 1ct Ruby (Princess, Red, 5.37 x 5.37) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 3ct Ruby (Princess, Red, 7.75 x 7.75) vs. 5ct Ruby (Round, Red, 10.22 x 10.22)
Enter your screen size (diagonal)
My screen size is
inches
Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.