30 Carat Titanite (Marquise, 31.5×15.75mm, Yellowish Green)
Color:
Actual size is set for screen
How big is a 30 carat marquise-cut Titanite?
It depends on the cut parameters and length-to-width ratio, but a typical size of a 30ct marquise-cut Titanite would be around 31.5×15.75 mm (±6%). The lw ratio of this Titanite 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 |
94 % |
|
Saved...
|
|
|
Ring diameter:
16.9 mm
|
Additional Info
Titanite, also known as Sphene, is a yellowish-green or orange-brown gemstone. It got its name from its titanium contents. Due to its high dispersion (one of the highest of all gems) it can exhibit a very intense fire.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Gem Details
|
Name:
|
Titanite |
|
Mineral Group:
|
Sphene |
|
Shape:
|
Marquise |
|
Chemical Formula:
|
CaTiSiO5 |
|
Crystal Structure:
|
Monoclinic |
|
Hardness:
|
5 - 5.5 |
|
Specific Gravity
|
3.53 |
|
Carat weight:
|
30 ct |
|
Gram weight:
|
6 g (0.2116 ounces) |
|
Points:
|
3000 pts |
|
Length:
|
31.5 mm |
|
Width:
|
15.75 mm |
|
Est. face-up size:
|
352.25 mm² |
|
Volume:
|
1699.72 mm³ |
|
Length-to-width ratio:
|
2 |
|
Refractive Index:
|
1.843 - 2.110 |
|
Luster:
|
Adamantine |
|
Wearability:
|
Good |
|
Care Instructions:
|
Relatively soft gemstone, care should be taken |
|
Color:
|
Titanite can be found in the following colors:
         
|
|
Birthstone:
|
Titanite is not an official birthstone of any month |
Popular comparisons:
- 10ct Titanite (Marquise, Dark Yellowish Green, 22.16 x 11.08) vs. 10ct Emerald (Marquise, Green, 24.24 x 12.12)
- 2ct Titanite (Marquise, Yellow, 12.96 x 6.48) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 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)