28 Carat Quartz (Round, 20.82mm, Brown)
Color:
Actual size is set for screen
How big is a 28 carat round-cut Quartz?
It depends on the cut proportions, but typically a 28ct round-cut Quartz would measure around 20.82 mm (±4%) in diameter. You can check the finger coverage in the simulator below.
Ring:
Skin tone:
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Ring width:
3.0 mm
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Saved...
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 |
124 % |
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Saved...
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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
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Name:
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Quartz |
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Shape:
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Round |
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Chemical Formula:
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SiO2 |
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Crystal Structure:
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Hexagonal |
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Hardness:
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7 |
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Specific Gravity
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2.65 |
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Carat weight:
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28 ct |
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Gram weight:
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5.6 g (0.1975 ounces) |
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Points:
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2800 pts |
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Length:
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20.82 mm |
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Width:
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20.82 mm |
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Average diameter:
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20.82 mm |
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Est. face-up size:
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340.45 mm² |
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Volume:
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2113.21 mm³ |
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Length-to-width ratio:
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1 |
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Refractive Index:
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1.54 - 1.55 |
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Luster:
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Vitreous |
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Wearability:
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Very good |
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Care Instructions:
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No special or unusual care |
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Color:
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Quartz can be found in the following colors:
                               
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Birthstone:
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Quartz is a birthstone for the month of April |
Popular comparisons:
- 1ct Quartz (Round, Orangey Red, 6.86 x 6.86) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Quartz (Round, Blue, 6.86 x 6.86) vs. 1ct Quartz (Round, Light Blue, 6.86 x 6.86)
- 3.33ct Quartz (Round, Orangey Red, 10 x 10) vs. 4ct Diamond (Round, White, 10.32 x 10.32)
- 5ct Quartz (Round, Orangey Red, 11.73 x 11.73) vs. 5ct Amethyst (Round, Violet, 11.73 x 11.73)
- 2.29ct Quartz (Round, Light Gray, 9.04 x 9.04) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Quartz (Round, Orangey Red, 6.86 x 6.86) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2.6ct Quartz (Round, Gray, 9 x 9) vs. 2ct Quartz (Round, Gray, 8.3 x 8.3)
- 0.9ct Quartz (Round, Light Red, 6.5 x 6.5) vs. 1ct Quartz (Round, Light Red, 6.5 x 6.5)
Use the simulator on this page to play around with different ring and finger configurations.