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2.89ct Tourmaline (Oval, 10.74×7.74mm, Red) vs 0.49ct Ruby (Oval, 4.96×3.96mm, Red)


Quick summary: When looked from above (face-up position), 2.89ct Tourmaline (10.74×7.74mm, oval cut) appears 4.2 times larger than 0.49ct Ruby (4.96×3.96mm, oval cut). See below how they compare side-by-side on a ring and finger.

2.89ct Tourmaline (oval cut)
vs
 0.49ct Ruby (oval cut)
red
 
red
10.74×7.74 mm 4.96×3.96 mm
actual size
Actual size of 2.89ct Tourmaline (oval cut, 10.74×7.74mm, Red color)   Actual size of 0.49ct Ruby (oval cut, 4.96×3.96mm, Red color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 2.89ct Tourmaline (oval cut, 10.74×7.74mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 0.49ct Ruby (oval cut, 4.96×3.96mm) on a right ring and finger
Your settings
Ring
 Gold
Skin tone
 Light
Ring diameter
 16.9 mm
Ring width
 3.0 mm
Finger length
 64 mm
Finger coverage
 46% vs 24%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 2.89ct Tourmaline Oval (10.74×7.74mm, Red) and 0.49ct Ruby Oval (4.96×3.96mm, 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

All things being equal, Ruby will face-up smaller than Tourmaline for a given carat weight, because it has higher specific gravity (4 vs. 3.06 - this means it's "heavier" compared to Tourmaline 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.


2.89 Ct Tourmaline (Oval) 0.49 Ct Ruby (Oval)
10.74×7.74 mm vs 4.96×3.96 mm
68.16 mm²   16.11 mm²
Face-up size outline for 2.89ct Tourmaline (10.74×7.74mm, oval cut)
Face-up size outline for 0.49ct Ruby (4.96×3.96mm, oval cut)
2.89ct Tourmaline Oval (10.74×7.74mm)
0.49ct Ruby Oval (4.96×3.96mm)
Difference: 323% (52.05 mm²)
2.89ct Tourmaline (Oval, 10.74×7.74mm) has approx. 323% more face-up area than 0.49ct Ruby (Oval, 4.96×3.96mm). In other words, it's 4.23x larger.


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