17 Carat Benitoite (Emerald, 16.93×12.54mm, Blue)
Color:
Actual size is set for screen
How big is a 17 carat emerald-cut Benitoite?
It depends on the cut parameters and length-to-width ratio, but a typical size of a 17ct emerald-cut Benitoite would be around 16.93×12.54 mm (±6%). The lw ratio of this Benitoite is 1.35. 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 |
75 % |
|
Saved...
|
|
|
Ring diameter:
16.9 mm
|
Additional Info
Benitoite is a very rare blue gem first discovered in San Benito, California (hence the name). Benitoite is California state’s official gem.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Gem Details
|
Name:
|
Benitoite |
|
Shape:
|
Emerald |
|
Chemical Formula:
|
BaTiSi3O9 |
|
Crystal Structure:
|
Hexagonal |
|
Hardness:
|
6 - 6.5 |
|
Specific Gravity
|
3.65 |
|
Carat weight:
|
17 ct |
|
Gram weight:
|
3.4 g (0.1199 ounces) |
|
Points:
|
1700 pts |
|
Length:
|
16.93 mm |
|
Width:
|
12.54 mm |
|
Est. face-up size:
|
197.44 mm² |
|
Volume:
|
931.51 mm³ |
|
Length-to-width ratio:
|
1.35 |
|
Refractive Index:
|
1.75-1.80 |
|
Luster:
|
Vitreous |
|
Wearability:
|
|
|
Care Instructions:
|
|
|
Color:
|
Benitoite can be found in the following colors:
  
|
|
Birthstone:
|
Benitoite is not an official birthstone of any month |
Popular comparisons:
- 1ct Benitoite (Emerald, Dark Blue, 6.59 x 4.88) vs. 1ct Sapphire (Emerald, Blue, 6.39 x 4.73)
- 1ct Benitoite (Emerald, Dark Blue, 6.59 x 4.88) vs. 2ct Sapphire (Round, Blue, 7.53 x 7.53)
- 1ct Benitoite (Emerald, Dark Blue, 6.59 x 4.88) vs. 2ct Sapphire (Baguette, Blue, 8.73 x 5.82)
- 1ct Benitoite (Emerald, Light Blue, 6.59 x 4.88) vs. 1ct Diamond (Emerald, White, 6.68 x 4.95)
- 0.34ct Benitoite (Emerald, Blue, 4.59 x 3.4) vs. 0.9ct Diaspore (Cushion, Red, 5.7 x 5.7)
- 5ct Benitoite (Emerald, Blue, 11.26 x 8.34) vs. 5ct Diamond (Emerald, White, 11.42 x 8.46)
- 1ct Benitoite (Emerald, Dark Blue, 6.59 x 4.88) vs. 1ct Sapphire (Round, Blue, 5.98 x 5.98)
- 1ct Benitoite (Emerald, Dark Blue, 6.59 x 4.88) vs. 2ct Sapphire (Trillion, Blue, 8.86 x 8.86)