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4.5 Carat Quartz (Cushion, 10.48×10.48mm, Brown)

Color:
brown
actual size
4.5ct Quartz displayed at actual size of 10.48×10.48mm, (Cushion cut, Brown
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Actual size is set for screen


How big is a 4.5 carat cushion-cut Quartz?

It depends on the cut parameters and length-to-width ratio, but a typical size of a 4.5ct square cushion-cut Quartz would be around 10.48×10.48 mm (±6%). Check how big it looks on a ring and finger. 
Ring:
Skin tone:
Ring width: 3.0 mm
Saved...
Finger image
Ring on finger
Brown 4.5ct Quartz (cushion cut) shown in real-world size of 10.48×10.48mm on a ring and finger
64 mm
Your settings
Ring
 Gold
Skin tone
 Light
Ring diameter
 16.9 mm
Ring width
 3.0 mm
Finger length
 64 mm
Finger coverage
 63 %
Saved...
Ring diameter: 16.9 mm
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Additional Info

Quartz (named after a Slavic word for "hard") is one of the most common minerals on earth. Many beautiful and affordable gemstones come from Quartz, two of the most popular being Amethyst and Citrine. Quartz occurs in a broad range of colors.

Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile

Gem Details

Name:
Quartz
Shape:
Cushion
Chemical Formula:
SiO2
Crystal Structure:
Hexagonal
Hardness:
7
Specific Gravity
2.65
Carat weight:
4.5 ct
Gram weight:
0.9 g (0.0317 ounces)
Points:
450 pts
Length:
10.48 mm
Width:
10.48 mm
Est. face-up size:
98.85 mm²
Volume:
339.62 mm³
Length-to-width ratio:
1
Refractive Index:
1.54 - 1.55
Luster:
Vitreous
Wearability:
Very good
Care Instructions:
No special or unusual care
Color:
Quartz can be found in the following colors:
Color WhiteColor Light RedColor RedColor Dark RedColor Orangey RedColor Light OrangeColor OrangeColor Light BrownColor BrownColor Dark BrownColor Light YellowColor YellowColor Light Yellowish GreenColor Yellowish GreenColor Dark Yellowish GreenColor Light Green Color GreenColor Dark GreenColor Light Bluish GreenColor Bluish GreenColor Dark Bluish GreenColor Light BlueColor BlueColor Dark BlueColor Light VioletColor VioletColor Dark VioletColor Light PurpleColor PurpleColor Dark PurpleColor Light GrayColor GrayColor Black
Birthstone:
Quartz is a birthstone for the month of April

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