19 Carat Sapphire (Round, 15.95mm, Blue)
Color:
Actual size is set for screen
How big is a 19 carat round-cut Sapphire?
It depends on the cut proportions, but typically a 19ct round-cut Sapphire would measure around 15.95 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 |
95 % |
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Saved...
|
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Ring diameter:
16.9 mm
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Additional Info
Sapphire got its name from the Greek word "sappheiros", which means "blue stone". Today, most people still associate Sapphires with the color blue, however, any gemstone quality Corundum that is not red (Ruby) is actually called Sapphire.
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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Sapphire |
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Mineral Group:
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Corundum |
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Shape:
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Round |
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Chemical Formula:
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Al2O3 |
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Crystal Structure:
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Hexagonal |
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Hardness:
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9 |
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Specific Gravity
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4 |
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Carat weight:
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19 ct |
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Gram weight:
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3.8 g (0.134 ounces) |
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Points:
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1900 pts |
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Length:
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15.95 mm |
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Width:
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15.95 mm |
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Average diameter:
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15.95 mm |
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Est. face-up size:
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199.81 mm² |
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Volume:
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950 mm³ |
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Length-to-width ratio:
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1 |
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Refractive Index:
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1.76 - 1.77 |
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Luster:
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Vitreous to adamantine |
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Wearability:
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Excellent |
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Care Instructions:
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No special or unusual care |
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Color:
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Sapphire can be found in the following colors:
                           
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Birthstone:
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Sapphire is a birthstone for the month of September |
Popular comparisons:
- 19ct Sapphire (Round, Blue, 15.95 x 15.95) vs. 35ct Diamond (Cushion, White, 19.06 x 19.06)
- 19ct Sapphire (Round, Blue, 15.95 x 15.95) vs. 18.76ct Diamond (Cushion, White, 15.48 x 15.48)
- 19ct Sapphire (Round, Blue, 15.95 x 15.95) vs. 18.76ct Diamond (Cushion, White, 17.5 x 17.5)
- 1ct Sapphire (Round, Blue, 5.98 x 5.98) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2ct Sapphire (Round, Blue, 7.53 x 7.53) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 1ct Sapphire (Round, Blue, 6.5 x 6.5) vs. 1ct Sapphire (Cushion, Blue, 6 x 6)
- 5.55ct Sapphire (Round, Blue, 10.58 x 10.58) vs. 9ct Sapphire (Cushion, Blue, 11.63 x 11.63)
- 1ct Sapphire (Round, Blue, 5.98 x 5.98) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
Use the simulator on this page to play around with different ring and finger configurations.