×
carat vs. color  length*  width*
  ×

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

0.1ct Sapphire (Round, 2.77×2.77mm, Yellow) vs 0.05ct Ruby (Round, 2.2×2.2mm, Red)


Quick summary: When looked from above (face-up position), 0.1ct Sapphire (2.77×2.77mm, round cut) appears 59% larger than 0.05ct Ruby (2.2×2.2mm, round cut). See below how they compare side-by-side on a ring and finger.

0.1ct Sapphire (round cut)
vs
 0.05ct Ruby (round cut)
yellow
 
red
2.77×2.77 mm 2.2×2.2 mm
actual size
Actual size of 0.1ct Sapphire (round cut, 2.77×2.77mm, Yellow color)   Actual size of 0.05ct Ruby (round cut, 2.2×2.2mm, Red color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Yellow 0.1ct Sapphire (round cut, 2.77×2.77mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 0.05ct Ruby (round cut, 2.2×2.2mm) 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
 17% vs 14%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.1ct Sapphire Round (2.77×2.77mm, Yellow) and 0.05ct Ruby Round (2.2×2.2mm, 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

Sapphire and Ruby have the same specific gravity so their face-up size depends on the weight, shape and 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.


0.1 Ct Sapphire (Round) 0.05 Ct Ruby (Round)
2.77×2.77 mm vs 2.2×2.2 mm
6.03 mm²   3.8 mm²
Face-up size outline for 0.1ct Sapphire (2.77×2.77mm, round cut)
Face-up size outline for 0.05ct Ruby (2.2×2.2mm, round cut)
0.1ct Sapphire Round (2.77×2.77mm)
0.05ct Ruby Round (2.2×2.2mm)
Difference: 59% (2.23 mm²)
0.1ct Sapphire (Round, 2.77×2.77mm) has approx. 59% more face-up area than 0.05ct Ruby (Round, 2.2×2.2mm).


Popular comparisons: