5 Carat Amethyst (Princess, 10.3×10.3mm, Violet)
Color:
Actual size is set for screen
How big is a 5 carat princess-cut Amethyst?
It depends on the cut parameters, but a typical size of a 5ct princess-cut Amethyst would be around 10.3×10.3 mm (±6%). You can check how big it looks on a ring and finger 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 |
61 % |
|
Saved...
|
|
|
Ring diameter:
16.9 mm
|
Additional Info
Amethyst is a purple variety of quartz and a very popular and affordable gem. Its name originates from the Greek word amethystos which means "not drunken". Ancient Greeks believed it could prevent intoxication. Amethyst is considered the most valuable of quartz gemstones.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Gem Details
|
Name:
|
Amethyst |
|
Mineral Group:
|
Quartz |
|
Shape:
|
Princess |
|
Chemical Formula:
|
SiO2 |
|
Crystal Structure:
|
Hexagonal |
|
Hardness:
|
7 |
|
Specific Gravity
|
2.65 |
|
Carat weight:
|
5 ct |
|
Gram weight:
|
1 g (0.0353 ounces) |
|
Points:
|
500 pts |
|
Length:
|
10.3 mm |
|
Width:
|
10.3 mm |
|
Est. face-up size:
|
106.09 mm² |
|
Volume:
|
377.36 mm³ |
|
Length-to-width ratio:
|
1 |
|
Refractive Index:
|
1.54 - 1.55 |
|
Luster:
|
Vitreous |
|
Wearability:
|
Very good |
|
Care Instructions:
|
No special or unusual care |
|
Color:
|
Amethyst can be found in the following colors:
![]() ![]() ![]() ![]() ![]()
|
|
Birthstone:
|
Amethyst is a birthstone for the month of February |
Popular comparisons:
- 1ct Amethyst (Princess, Violet, 6.17 x 6.17) vs. 1ct Diamond (Princess, White, 5.51 x 5.51)
- 2ct Amethyst (Princess, Violet, 7.77 x 7.77) vs. 2ct Amethyst (Oval, Violet, 10.94 x 7.29)
- 1ct Amethyst (Princess, Dark Purple, 6.17 x 6.17) vs. 1ct Tanzanite (Princess, Dark Blue, 5.73 x 5.73)
- 3.72ct Amethyst (Princess, Violet, 9.55 x 9.55) vs. 3.72ct Diamond (Princess, White, 8.54 x 8.54)
- 1ct Amethyst (Princess, Violet, 6.17 x 6.17) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Amethyst (Princess, Dark Violet, 6.17 x 6.17) vs. 1ct Tanzanite (Princess, Dark Blue, 5.73 x 5.73)
- 0.05ct Amethyst (Princess, Violet, 2.27 x 2.27) vs. 0.05ct Aquamarine (Princess, Light Blue, 2.26 x 2.26)
- 5ct Amethyst (Princess, Dark Violet, 10.54 x 10.54) vs. 5ct Sapphire (Emerald, Blue, 10.92 x 8.09)



