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26ct Ruby (Round, 17.71×17.71mm, Red) vs 26ct Andesine (Round, 20.27×20.27mm, Orange)


Quick summary: When looked from above (face-up position), 26ct Andesine (20.27×20.27mm, round cut) appears 31% larger than 26ct Ruby (17.71×17.71mm, round cut). See below how they compare side-by-side on a ring and finger.

26ct Ruby (round cut)
vs
 26ct Andesine (round cut)
red
 
orange
17.71×17.71 mm 20.27×20.27 mm
actual size
Actual size of 26ct Ruby (round cut, 17.71×17.71mm, Red color)   Actual size of 26ct Andesine (round cut, 20.27×20.27mm, Orange color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 26ct Ruby (round cut, 17.71×17.71mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Orange 26ct Andesine (round cut, 20.27×20.27mm) 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
 105% vs 120%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 26ct Ruby Round (17.71×17.71mm, Red) and 26ct Andesine Round (20.27×20.27mm, Orange) 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 Andesine for a given carat weight, because it has higher specific gravity (4 vs. 2.67 - this means it's "heavier" compared to Andesine 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.


26 Ct Ruby (Round) 26 Ct Andesine (Round)
17.71×17.71 mm vs 20.27×20.27 mm
246.34 mm²   322.7 mm²
Face-up size outline for 26ct Andesine (20.27×20.27mm, round cut)
Face-up size outline for 26ct Ruby (17.71×17.71mm, round cut)
26ct Ruby Round (17.71×17.71mm)
26ct Andesine Round (20.27×20.27mm)
Difference: 31% (76.36 mm²)
26ct Andesine (Round, 20.27×20.27mm) has approx. 31% more face-up area than 26ct Ruby (Round, 17.71×17.71mm).


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