×
carat vs. color  length*  width*
  ×

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

12ct Morganite (Trillion, 18.85×18.85mm, Light Purple) vs 12ct Quartz (Trillion, 19.2×19.2mm, Brown)


Quick summary: When looked from above (face-up position), 12ct Quartz (19.2×19.2mm, trillion cut) appears 4% larger than 12ct Morganite (18.85×18.85mm, trillion cut). See below how they compare side-by-side on a ring and finger.

12ct Morganite (trillion cut)
vs
 12ct Quartz (trillion cut)
light purple
 
brown
18.85×18.85 mm 19.2×19.2 mm
actual size
Actual size of 12ct Morganite (trillion cut, 18.85×18.85mm, Light Purple color)   Actual size of 12ct Quartz (trillion cut, 19.2×19.2mm, Brown color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Purple 12ct Morganite (trillion cut, 18.85×18.85mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Brown 12ct Quartz (trillion cut, 19.2×19.2mm) 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
 112% vs 114%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 12ct Morganite Trillion (18.85×18.85mm, Light Purple) and 12ct Quartz Trillion (19.2×19.2mm, Brown) 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, Morganite will face-up smaller than Quartz for a given carat weight, because it has higher specific gravity (2.8 vs. 2.65 - this means it's "heavier" compared to Quartz 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.


12 Ct Morganite (Trillion) 12 Ct Quartz (Trillion)
18.85×18.85 mm vs 19.2×19.2 mm
220.3 mm²   228.56 mm²
Face-up size outline for 12ct Quartz (19.2×19.2mm, trillion cut)
Face-up size outline for 12ct Morganite (18.85×18.85mm, trillion cut)
12ct Morganite Trillion (18.85×18.85mm)
12ct Quartz Trillion (19.2×19.2mm)
Difference: 4% (8.26 mm²)
12ct Quartz (Trillion, 19.2×19.2mm) has approx. 4% more face-up area than 12ct Morganite (Trillion, 18.85×18.85mm).


Popular comparisons: