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1.2ct Quartz (Oval, 9.23×6.15mm, Orangey Red) vs 5.75ct Amethyst (Oval, 15.54×10.36mm, Violet)


Quick summary: When looked from above (face-up position), 5.75ct Amethyst (15.54×10.36mm, oval cut) appears 2.8 times larger than 1.2ct Quartz (9.23×6.15mm, oval cut). See below how they compare side-by-side on a ring and finger.

1.2ct Quartz (oval cut)
vs
 5.75ct Amethyst (oval cut)
orangey red
 
violet
9.23×6.15 mm 15.54×10.36 mm
actual size
Actual size of 1.2ct Quartz (oval cut, 9.23×6.15mm, Orangey Red color)   Actual size of 5.75ct Amethyst (oval cut, 15.54×10.36mm, Violet color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Orangey Red 1.2ct Quartz (oval cut, 9.23×6.15mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Violet 5.75ct Amethyst (oval cut, 15.54×10.36mm) 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
 37% vs 62%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1.2ct Quartz Oval (9.23×6.15mm, Orangey Red) and 5.75ct Amethyst Oval (15.54×10.36mm, 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

Quartz and Amethyst have the same specific gravity so their face-up size depends on the weight, shape and 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.


1.2 Ct Quartz (Oval) 5.75 Ct Amethyst (Oval)
9.23×6.15 mm vs 15.54×10.36 mm
46.55 mm²   132.02 mm²
Face-up size outline for 5.75ct Amethyst (15.54×10.36mm, oval cut)
Face-up size outline for 1.2ct Quartz (9.23×6.15mm, oval cut)
1.2ct Quartz Oval (9.23×6.15mm)
5.75ct Amethyst Oval (15.54×10.36mm)
Difference: 184% (85.47 mm²)
5.75ct Amethyst (Oval, 15.54×10.36mm) has approx. 184% more face-up area than 1.2ct Quartz (Oval, 9.23×6.15mm). In other words, it's 2.84x larger.


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