9 Carat Peridot (Marquise, 21.48×10.74mm, Yellowish Green)
Color:
Actual size is set for screen
How big is a 9 carat marquise-cut Peridot?
It depends on the cut parameters and length-to-width ratio, but a typical size of a 9ct marquise-cut Peridot would be around 21.48×10.74 mm (±6%). The lw ratio of this Peridot is 2. See below how big it looks on a ring and finger.
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 |
64 % |
|
Saved...
|
|
|
Ring diameter:
16.9 mm
|
Additional Info
Peridot is quite an affordable gem, found naturally in yellowish-green or olive-green color. Ancient Egyptians called it "the gem of the sun". Dark olive-green gems are the most valued.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Gem Details
|
Name:
|
Peridot |
|
Mineral Group:
|
Olivine |
|
Shape:
|
Marquise |
|
Chemical Formula:
|
(Mg,Fe)2SiO4 |
|
Crystal Structure:
|
Orthorhombic |
|
Hardness:
|
6.5 |
|
Specific Gravity
|
3.34 |
|
Carat weight:
|
9 ct |
|
Gram weight:
|
1.8 g (0.0635 ounces) |
|
Points:
|
900 pts |
|
Length:
|
21.48 mm |
|
Width:
|
10.74 mm |
|
Est. face-up size:
|
163.79 mm² |
|
Volume:
|
538.92 mm³ |
|
Length-to-width ratio:
|
2 |
|
Refractive Index:
|
1.65 - 1.69 |
|
Luster:
|
Vitreous |
|
Wearability:
|
Very good |
|
Care Instructions:
|
Should be worn gently |
|
Color:
|
Peridot can be found in the following colors:
    
|
|
Birthstone:
|
Peridot is a birthstone for the month of August |
Popular comparisons:
- 2.5ct Peridot (Marquise, Yellowish Green, 14.22 x 7.11) vs. 0.45ct Diamond (Baguette, Dark Blue, 5.54 x 3.69)
- 11.29ct Peridot (Marquise, Yellowish Green, 23.5 x 11.75) vs. 8.01ct Amethyst (Oval, Violet, 17.36 x 11.57)
- 5.5ct Peridot (Marquise, Yellowish Green, 18.48 x 9.24) vs. 4ct Aquamarine (Princess, Light Blue, 9.73 x 9.73)
- 2.65ct Peridot (Marquise, Yellowish Green, 14.5 x 7.25) vs. 1.45ct Peridot (Emerald, Yellowish Green, 7.67 x 5.68)
- 20ct Peridot (Marquise, Yellowish Green, 28.42 x 14.21) vs. 5ct Ruby (Oval, Red, 12.93 x 8.62)
- 22ct Peridot (Marquise, Yellowish Green, 29.34 x 14.67) vs. 6ct Ruby (Oval, Red, 13.74 x 9.16)
- 2.5ct Peridot (Marquise, Yellowish Green, 14.22 x 7.11) vs. 0.45ct Diamond (Baguette, Dark Blue, 6.85 x 3.25)
- 1ct Peridot (Marquise, Green, 10.48 x 5.24) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)