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40ct Ruby (Round, 20.45×20.45mm, Red) vs 0.05ct Ruby (Round, 2.2×2.2mm, Red)


Quick summary: When looked from above (face-up position), 40ct Ruby (20.45×20.45mm, round cut) appears 86.4 times larger than 0.05ct Ruby (2.2×2.2mm, round cut). See below how they compare side-by-side on a ring and finger.

40ct Ruby (round cut)
vs
0.05ct Ruby (round cut)
red
 
red
20.45×20.45 mm 2.2×2.2 mm
actual size
Actual size of 40ct Ruby (round cut, 20.45×20.45mm, Red 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
Red 40ct Ruby (round cut, 20.45×20.45mm) 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
122% vs 14%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 40ct Ruby Round (20.45×20.45mm, Red) 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

The face-up size depends on the shape of the gem, its weight and 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.


40 Ct Ruby (Round) 0.05 Ct Ruby (Round)
20.45×20.45 mm vs 2.2×2.2 mm
328.46 mm²   3.8 mm²
Face-up size outline for 40ct Ruby (20.45×20.45mm, round cut)
Face-up size outline for 0.05ct Ruby (2.2×2.2mm, round cut)
40ct Ruby Round (20.45×20.45mm)
0.05ct Ruby Round (2.2×2.2mm)
Difference: 8544% (324.66 mm²)
40ct Ruby (Round, 20.45×20.45mm) has approx. 8544% more face-up area than 0.05ct Ruby (Round, 2.2×2.2mm). In other words, it's 86.44x larger.


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