5 Carat Benitoite (Pear, 14.99×9.03mm, Blue)

Color:

blue

actual size

Actual size is set for screen

How big is a 5 carat pear-cut Benitoite?

It depends on the cut parameters and length-to-width ratio, but a typical size of a 5ct pear-cut Benitoite would be around 14.99×9.03 mm (±6%). The lw ratio of this Benitoite is 1.66. See below how big it looks on a ring and finger.

Ring:

Gold
Platinum

Skin tone:

Pale
Light
Medium
Dark

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	54 %

Saved...

Ring diameter: 16.9 mm

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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:	Pear
Chemical Formula:	BaTiSi₃O₉
Crystal Structure:	Hexagonal
Hardness:	6 - 6.5
Specific Gravity	3.65
Carat weight:	5 ct
Gram weight:	1 g (0.0353 ounces)
Points:	500 pts
Length:	14.99 mm
Width:	9.03 mm
Est. face-up size:	98.81 mm²
Volume:	273.97 mm³
Length-to-width ratio:	1.66
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:

About Benitoite Specific Gravity

Benitoite has a specific gravity of approximately 3.64 - 3.68, with 3.65 being a generally accepted standard average for gem-quality material.

For all the Benitoite size calculations on this website, the specific gravity of 3.65 is used.

To learn more about it and why it matters, and to compare densities of all the gemstones on one page, click here.

Ring & Finger Simulator

Use the simulator on this page to play around with different ring and finger configurations.

To select a different gemstone, shape, color or size, or to compare two gems side-by-side, use the form at the top of the page. Comparison example: 5ct Benitoite vs Tanzanite (Pear Cut)

If you want to compare pear-cut Benitoite sizes from 0.25 to 40ct on one page, see Pear Cut Benitoite Size Chart

In order to view real-world sizes on your screen, ensure that the actual size is set to your device screen size (diagonal in inches).