40 Carat Tsavorite (Emerald, 22.6×16.74mm, Green)

Color:

green

actual size

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How big is a 40 carat emerald-cut Tsavorite?

It depends on the cut parameters and length-to-width ratio, but a typical size of a 40ct emerald-cut Tsavorite would be around 22.6×16.74 mm (±6%). The lw ratio of this Tsavorite is 1.35. 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

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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	100 %

Saved...

Ring diameter: 16.9 mm

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Additional Info

Tsavorite got named after the Tsavo National Park in Kenya, where it was first discovered in 1967. It gets its vivid green color from trace amounts of vanadium and chromium.

Where to buy?

For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile

Gem Details

Name:	Tsavorite
Mineral Group:	Garnet
Shape:	Emerald
Chemical Formula:	Ca₃Cr₂(SiO₄)₃
Crystal Structure:	Isometric
Hardness:	7.0 - 7.25
Specific Gravity	3.61
Carat weight:	40 ct
Gram weight:	8 g (0.2822 ounces)
Points:	4000 pts
Length:	22.6 mm
Width:	16.74 mm
Est. face-up size:	351.84 mm²
Volume:	2216.07 mm³
Length-to-width ratio:	1.35
Refractive Index:	1.73 - 1.74
Luster:	Vitreous
Wearability:	Excellent
Care Instructions:	Avoid steam cleaners
Color:	Tsavorite can be found in the following colors:
Birthstone:	Tsavorite is not an official birthstone of any month

Popular comparisons:

About Tsavorite Specific Gravity

Tsavorite has a specific gravity of approximately 3.59 - 3.65, with 3.61 being a generally accepted standard average for gem-quality material.

For all the Tsavorite size calculations on this website, the specific gravity of 3.61 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: 40ct Tsavorite vs Apatite (Emerald Cut)

If you want to compare emerald-cut Tsavorite sizes from 0.25 to 40ct on one page, see Emerald Cut Tsavorite 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).