15 Carat Diaspore (Round, 15.56mm, Light Yellowish Green)
Color:
Actual size is set for screen
How big is a 15 carat round-cut Diaspore?
It depends on the cut proportions, but typically a 15ct round-cut Diaspore would measure around 15.56 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 |
93 % |
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Saved...
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Ring diameter:
16.9 mm
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Additional Info
Diaspore is quite rare color-changing gemstone mined only in the remote location in Turkey's Anatolian Mountains. It appears yellowish-green to light green in daylight, changing to pinkish hues in incandescent lighting.
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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Diaspore |
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Shape:
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Round |
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Chemical Formula:
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AlO(OH) |
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Crystal Structure:
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Orthorhombic |
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Hardness:
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6.5 - 7 |
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Specific Gravity
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3.4 |
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Carat weight:
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15 ct |
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Gram weight:
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3 g (0.1058 ounces) |
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Points:
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1500 pts |
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Length:
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15.56 mm |
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Width:
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15.56 mm |
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Average diameter:
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15.56 mm |
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Est. face-up size:
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190.16 mm² |
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Volume:
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882.35 mm³ |
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Length-to-width ratio:
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1 |
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Refractive Index:
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1.70 - 1.75 |
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Luster:
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Vitreous |
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Wearability:
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Good |
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Care Instructions:
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Relatively good hardness, but can be brittle |
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Color:
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Diaspore can be found in the following colors:
          
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Birthstone:
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Diaspore is not an official birthstone of any month |
Popular comparisons:
- 15ct Diaspore (Round, Light Yellowish Green, 15.56 x 15.56) vs. 15ct Diamond (Round, White, 16.03 x 16.03)
- 2ct Diaspore (Round, Light Yellowish Green, 7.95 x 7.95) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 1ct Diaspore (Round, Light Yellowish Green, 6.31 x 6.31) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 5ct Diaspore (Round, Light Yellowish Green, 10.79 x 10.79) vs. 5ct Alexandrite (Round, Yellowish Green, 10.49 x 10.49)
- 5ct Diaspore (Round, Light Yellowish Green, 10.79 x 10.79) vs. 5ct Alexandrite (Round, Light Green , 10.49 x 10.49)
- 1ct Diaspore (Round, Light Yellowish Green, 6.31 x 6.31) vs. 1ct Diaspore (Emerald, Light Yellowish Green, 6.74 x 4.99)
- 4ct Diaspore (Round, Light Yellowish Green, 10.02 x 10.02) vs. 4ct Emerald (Emerald, Green, 11.56 x 8.56)
- 1ct Diaspore (Round, Light Orange, 6.31 x 6.31) vs. 1ct Diamond (Round, White, 6.5 x 6.5)