carat vs. color  length*  width*

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

1.5 Ct Diamond (Round)


2 Ct Diamond (Round)

7.5×7.5 mm 8×8 mm
actual size
Actual size of 1.5ct Diamond   Actual size of 2ct Diamond
Actual size is set for screen Change
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 1.5ct Diamond on a ring
64 mm
Right finger image
Ring on a right finger
White 2ct Diamond on a ring
Your settings
Skin tone
Ring diameter
16.9 mm
Ring width
3.0 mm
Finger length
64 mm
Ring diameter: 16.9 mm
Actual sizes of 1.5ct Diamond Round (7.5×7.5mm, White) and 2ct Diamond Round (8×8mm, 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.

1.5 Ct Diamond (Round) 2 Ct Diamond (Round)
7.5×7.5 mm vs 8×8 mm
44.18 mm²   50.27 mm²
Face-up size outline
Face-up size outline
1.5ct Diamond Round (7.5×7.5mm)
2ct Diamond Round (8×8mm)
Difference: 14% (6.09 mm²)
2ct Diamond Round (8×8mm) has approx. 14% more face-up area than 1.5ct Diamond Round (7.5×7.5mm).

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.