×
carat vs. color  length*  width*
  ×

(or examine a )
* size in mm (optional)

1.75ct Ruby (Baguette, 8.36×5.57mm, Red) vs 1.75ct Spinel (Baguette, 8.66×5.77mm, Red)


Quick summary: When looked from above (face-up position), 1.75ct Spinel (8.66×5.77mm, baguette cut) appears 7% larger than 1.75ct Ruby (8.36×5.57mm, baguette cut). See below how they compare side-by-side on a ring and finger.

1.75ct Ruby (baguette cut)
vs
1.75ct Spinel (baguette cut)
red
 
red
8.36×5.57 mm 8.66×5.77 mm
actual size
Actual size of 1.75ct Ruby (baguette cut, 8.36×5.57mm, Red color)   Actual size of 1.75ct Spinel (baguette cut, 8.66×5.77mm, Red color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 1.75ct Ruby (baguette cut, 8.36×5.57mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 1.75ct Spinel (baguette cut, 8.66×5.77mm) 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
33% vs 35%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1.75ct Ruby Baguette (8.36×5.57mm, Red) and 1.75ct Spinel Baguette (8.66×5.77mm, 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 Spinel for a given carat weight, because it has higher specific gravity (4 vs. 3.6 - this means it's "heavier" compared to Spinel 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.


1.75 Ct Ruby (Baguette) 1.75 Ct Spinel (Baguette)
8.36×5.57 mm vs 8.66×5.77 mm
46.57 mm²   49.97 mm²
Face-up size outline for 1.75ct Spinel (8.66×5.77mm, baguette cut)
Face-up size outline for 1.75ct Ruby (8.36×5.57mm, baguette cut)
1.75ct Ruby Baguette (8.36×5.57mm)
1.75ct Spinel Baguette (8.66×5.77mm)
Difference: 7% (3.4 mm²)
1.75ct Spinel (Baguette, 8.66×5.77mm) has approx. 7% more face-up area than 1.75ct Ruby (Baguette, 8.36×5.57mm).


Popular comparisons: