×
carat vs. color  length*  width*
  ×

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

0.85ct Diamond (Emerald, 6.33×4.69mm, White) vs 0.85ct Tourmaline (Emerald, 6.59×4.88mm, Violet)


Quick summary: When looked from above (face-up position), 0.85ct Tourmaline (6.59×4.88mm, emerald cut) appears 8% larger than 0.85ct Diamond (6.33×4.69mm, emerald cut). See below how they compare side-by-side on a ring and finger.

0.85ct Diamond (emerald cut)
vs
 0.85ct Tourmaline (emerald cut)
white
 
violet
6.33×4.69 mm 6.59×4.88 mm
actual size
Actual size of 0.85ct Diamond (emerald cut, 6.33×4.69mm, White color)   Actual size of 0.85ct Tourmaline (emerald cut, 6.59×4.88mm, Violet color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 0.85ct Diamond (emerald cut, 6.33×4.69mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Violet 0.85ct Tourmaline (emerald cut, 6.59×4.88mm) 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
 28% vs 29%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.85ct Diamond Emerald (6.33×4.69mm, White) and 0.85ct Tourmaline Emerald (6.59×4.88mm, Violet) 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 Tourmaline for a given carat weight, because it has higher specific gravity (3.52 vs. 3.06 - this means it's "heavier" compared to Tourmaline 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.


0.85 Ct Diamond (Emerald) 0.85 Ct Tourmaline (Emerald)
6.33×4.69 mm vs 6.59×4.88 mm
27.61 mm²   29.91 mm²
Face-up size outline for 0.85ct Tourmaline (6.59×4.88mm, emerald cut)
Face-up size outline for 0.85ct Diamond (6.33×4.69mm, emerald cut)
0.85ct Diamond Emerald (6.33×4.69mm)
0.85ct Tourmaline Emerald (6.59×4.88mm)
Difference: 8% (2.3 mm²)
0.85ct Tourmaline (Emerald, 6.59×4.88mm) has approx. 8% more face-up area than 0.85ct Diamond (Emerald, 6.33×4.69mm).


Popular comparisons: