28 Carat Cubic Zirconia (Round, 16.38mm, White)
Color:
Actual size is set for screen
How big is a 28 carat round-cut Cubic Zirconia?
It depends on the cut proportions, but typically a 28ct round-cut Cubic Zirconia would measure around 16.38 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 |
97 % |
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Saved...
|
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Ring diameter:
16.9 mm
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Additional Info
Cubic zirconia is an artificial gemstone made from zirconium dioxide, widely used as an affordable diamond simulant, as it can mimic the brilliance of a diamond. While the colorless version is by far the most popular, it is also available in a wide range of colors, making it an inexpensive substitute for other colored gemstones.
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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Cubic Zirconia |
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Shape:
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Round |
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Chemical Formula:
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ZrO2 |
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Crystal Structure:
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Isometric |
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Hardness:
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8 - 8.5 |
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Specific Gravity
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5.65 |
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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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16.38 mm |
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Width:
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16.38 mm |
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Average diameter:
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16.38 mm |
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Est. face-up size:
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210.73 mm² |
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Volume:
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991.15 mm³ |
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Length-to-width ratio:
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1 |
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Refractive Index:
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2.15 - 2.18 |
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Luster:
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Adamantine |
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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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Cubic Zirconia can be found in the following colors:
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Birthstone:
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Cubic Zirconia is not an official birthstone of any month |
Popular comparisons:
- 1ct Cubic Zirconia (Round, White, 5.4 x 5.4) vs. 1ct Emerald (Emerald, Green, 7.26 x 5.38)
- 1ct Cubic Zirconia (Round, White, 5.34 x 5.34) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Cubic Zirconia (Round, White, 5.4 x 5.4) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Cubic Zirconia (Round, White, 5.4 x 5.4) vs. 1ct Cubic Zirconia (Emerald, White, 5.7 x 4.22)
- 1ct Cubic Zirconia (Round, White, 5.4 x 5.4) vs. 1ct Andesine (Round, Orange, 6.84 x 6.84)
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
- 1ct Kyanite (Oval, Blue, 7.77 x 5.18) vs. 1ct Tanzanite (Oval, Blue, 8.07 x 5.38)































Use the simulator on this page to play around with different ring and finger configurations.