4 Carat Almandine (Round, 9.45mm, Dark Red)
Color:
Actual size is set for screen
How big is a 4 carat round-cut Almandine?
It depends on the cut proportions, but typically a 4ct round-cut Almandine would measure around 9.45 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 |
56 % |
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Saved...
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Ring diameter:
16.9 mm
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Additional Info
Almandine is a durable iron-rich gemstone, the most common variety of garnet. It is believed its name came from Alabanda, an ancient city in modern-day Turkey. Almandine has been used in jewelry since antiquity.
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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Almandine |
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Mineral Group:
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Garnet |
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Shape:
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Round |
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Chemical Formula:
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Fe3Al2(SiO4)3 |
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Crystal Structure:
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Isometric |
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Hardness:
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7 - 7.5 |
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Specific Gravity
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4.05 |
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Carat weight:
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4 ct |
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Gram weight:
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0.8 g (0.0282 ounces) |
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Points:
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400 pts |
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Length:
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9.45 mm |
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Width:
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9.45 mm |
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Average diameter:
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9.45 mm |
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Est. face-up size:
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70.14 mm² |
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Volume:
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197.53 mm³ |
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Length-to-width ratio:
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1 |
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Refractive Index:
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1.77 - 1.82 |
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Luster:
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Vitreous |
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Wearability:
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Excellent |
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Care Instructions:
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Avoid steam cleaners |
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Color:
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Almandine can be found in the following colors:
    
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Birthstone:
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Almandine is not an official birthstone of any month |
Popular comparisons:
- 1ct Almandine (Round, Dark Red, 5.91 x 5.91) vs. 1ct Tsavorite (Round, Green, 6.19 x 6.19)
- 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)
- 1ct Aquamarine (Oval, Light Blue, 8 x 6) vs. 1ct Spinel (Oval, Gray, 8 x 6)
- 1.16ct Diamond (Round, White, 6.82 x 6.85) vs. 1.2ct Diamond (Round, White, 6.82 x 6.86)
- 6ct Morganite (Cushion, Light Red, 12 x 10) vs. 3.5ct Sapphire (Cushion, Blue, 8.49 x 8.49)
- 1ct Alexandrite (Round, Bluish Green, 6.14 x 6.14) vs. 1ct Emerald (Emerald, Yellowish Green, 7.28 x 5.39)