13 Carat Beryl (Emerald, 17.08×12.65mm, Orange)

Color:

orange

actual size

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How big is a 13 carat emerald-cut Beryl?

It depends on the cut parameters and length-to-width ratio, but a typical size of a 13ct emerald-cut Beryl would be around 17.08×12.65 mm (±6%). The lw ratio of this Beryl 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

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

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Additional Info

Beryl is a family of gems that come in many different colors. It is colorless in pure form, however, when tinted by impurities it can occur in every color of the rainbow. The most famous members of the Beryl family are Aquamarine (blue green to blue), and Emerald (green).

Where to buy?

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

Gem Details

Name:	Beryl
Shape:	Emerald
Chemical Formula:	Be₃Al₂Si₆O₁₈
Crystal Structure:	Hexagonal
Hardness:	7.5 - 8.0
Specific Gravity	2.72
Carat weight:	13 ct
Gram weight:	2.6 g (0.0917 ounces)
Points:	1300 pts
Length:	17.08 mm
Width:	12.65 mm
Est. face-up size:	200.94 mm²
Volume:	955.88 mm³
Length-to-width ratio:	1.35
Refractive Index:	1.57 - 1.58
Luster:	Vitreous
Wearability:	Excellent
Care Instructions:	No special care
Color:	Beryl can be found in the following colors:
Birthstone:	Beryl is not an official birthstone of any month

Popular comparisons:

About Beryl Specific Gravity

Beryl has a specific gravity of approximately 2.67 - 2.78, with 2.72 being a generally accepted standard average for gem-quality material.

For all the Beryl size calculations on this website, the specific gravity of 2.72 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: 13ct Beryl vs Almandine (Emerald Cut)

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