20 Carat Rhodolite (Round, 16.45mm, Purple)
Color:
Actual size is set for screen
How big is a 20 carat round-cut Rhodolite?
It depends on the cut proportions, but typically a 20ct round-cut Rhodolite would measure around 16.45 mm (±4%) in diameter. You can check the finger coverage in the simulator below.
Ring:
Skin tone:
|
Ring width:
3.0 mm
|
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 |
98 % |
|
Saved...
|
|
|
Ring diameter:
16.9 mm
|
Additional Info
Rhodolite is a magnesium rich variety of the garnet family known for its rose-pink color. It got its name from the Greek words rhodon (rose) and lithos (stone).
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Gem Details
|
Name:
|
Rhodolite |
|
Mineral Group:
|
Garnet |
|
Shape:
|
Round |
|
Chemical Formula:
|
Mg3Al2(SiO4)3 |
|
Crystal Structure:
|
Isometric |
|
Hardness:
|
7 - 7.5 |
|
Specific Gravity
|
3.84 |
|
Carat weight:
|
20 ct |
|
Gram weight:
|
4 g (0.1411 ounces) |
|
Points:
|
2000 pts |
|
Length:
|
16.45 mm |
|
Width:
|
16.45 mm |
|
Average diameter:
|
16.45 mm |
|
Est. face-up size:
|
212.53 mm² |
|
Volume:
|
1041.67 mm³ |
|
Length-to-width ratio:
|
1 |
|
Refractive Index:
|
1.75 - 1.76 |
|
Luster:
|
Vitreous |
|
Wearability:
|
Excellent |
|
Care Instructions:
|
Avoid steam cleaners |
|
Color:
|
Rhodolite can be found in the following colors:
    
|
|
Birthstone:
|
Rhodolite is not an official birthstone of any month |
Popular comparisons:
- 1ct Rhodolite (Round, Purple, 6.06 x 6.06) vs. 1ct Emerald (Emerald, Green, 7.26 x 5.38)
- 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)