×
carat vs. color  length*  width*
  ×

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

1.75ct Aquamarine (Oval, 10.4×6.93mm, Light Blue) vs 2.4ct Diamond (Oval, 10.86×7.24mm, White)


Quick summary: When looked from above (face-up position), 2.4ct Diamond (10.86×7.24mm, oval cut) appears 9% larger than 1.75ct Aquamarine (10.4×6.93mm, oval cut). See below how they compare side-by-side on a ring and finger.

1.75ct Aquamarine (oval cut)
vs
 2.4ct Diamond (oval cut)
light blue
 
white
10.4×6.93 mm 10.86×7.24 mm
actual size
Actual size of 1.75ct Aquamarine (oval cut, 10.4×6.93mm, Light Blue color)   Actual size of 2.4ct Diamond (oval cut, 10.86×7.24mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Blue 1.75ct Aquamarine (oval cut, 10.4×6.93mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 2.4ct Diamond (oval cut, 10.86×7.24mm) 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
 42% vs 43%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1.75ct Aquamarine Oval (10.4×6.93mm, Light Blue) and 2.4ct Diamond Oval (10.86×7.24mm, 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?

For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile

Face-up Size

All things being equal, Diamond will face-up smaller than Aquamarine for a given carat weight, because it has higher specific gravity (3.52 vs. 2.72 - this means it's "heavier" compared to Aquamarine 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.


1.75 Ct Aquamarine (Oval) 2.4 Ct Diamond (Oval)
10.4×6.93 mm vs 10.86×7.24 mm
59.1 mm²   64.47 mm²
Face-up size outline for 2.4ct Diamond (10.86×7.24mm, oval cut)
Face-up size outline for 1.75ct Aquamarine (10.4×6.93mm, oval cut)
1.75ct Aquamarine Oval (10.4×6.93mm)
2.4ct Diamond Oval (10.86×7.24mm)
Difference: 9% (5.37 mm²)
2.4ct Diamond (Oval, 10.86×7.24mm) has approx. 9% more face-up area than 1.75ct Aquamarine (Oval, 10.4×6.93mm).


Popular comparisons: