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carat vs. color  length*  width*
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(or examine a single gem)
* size in mm (optional)

0.7 Ct Diamond (Round)

vs

1 Ct Diamond (Round)

white
 
white
5.7×5.7 mm 6.5×6.5 mm
actual size
Actual size of 0.7ct Diamond   Actual size of 1ct Diamond
 
Actual size is set for screen Change
Settings
Ring: Skin tone:
Ring width: 3.0 mm
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Left finger image
Ring on left finger
White 0.7ct Diamond on a ring
64 mm
Right finger image
Ring on a right finger
White 1ct Diamond on a ring
Your settings
Ring
Gold
Skin tone
Light
Ring diameter
16.9 mm
Ring width
3.0 mm
Finger length
64 mm
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 0.7ct Diamond Round (5.7×5.7mm, White) and 1ct Diamond Round (6.5×6.5mm, White) 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?

JamesAllen → high-quality gemstones (Rubies, Saphhires, Emeralds) and especially Diamonds, high-end jewelry and competitive prices. Highly recommended.
Amazon → usually offers a good selection from many different vendors. Worth a check.

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.


0.7 Ct Diamond (Round) 1 Ct Diamond (Round)
5.7×5.7 mm vs 6.5×6.5 mm
25.52 mm²   33.18 mm²
Face-up size outline
Face-up size outline
0.7ct Diamond Round (5.7×5.7mm)
1ct Diamond Round (6.5×6.5mm)
Difference: 30% (7.66 mm²)
1ct Diamond Round (6.5×6.5mm) has approx. 30% more face-up area than 0.7ct Diamond Round (5.7×5.7mm).


Popular comparisons:

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Actual size is currently adjusted to screen.

If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.