Ring size guide

Find your size

Inside diameter of a ring that fits

Measure straight across the inside of the ring, edge to edge.

Size chart

US / CA	UK / AU	EU	Diameter mm	Circ. mm
6	L	52	16.5	51.9
7	N	54	17.3	54.5
8	P	57	18.2	57.2
9	R	59	18.9	59.3
10	T	62	19.8	62.3
11	V	65	20.7	65.0
12	X	68	21.5	67.5
13	Z	70	22.3	70.2
14	Z+2	72	23.0	72.3

How to measure

Ring I own · diameter

Pick a ring that fits the finger you're sizing.
Measure the inside diameter in mm.
Enter it above or match it to the chart.

Paper strip · circumference

Wrap a 5 mm strip of paper snugly around your finger.
Mark where it overlaps.
Measure the length in mm and enter it above.

Measure at the end of the day, when your hands are warm.
Between sizes, or ordering a wide band? Choose the larger size.
Not quite right?Orders placed Nov 1–30 can be exchanged for another size until Jan 15.We'll guide you every step of the way.

View the full ring size guide →

18K GOLD SERIES

18K The Heart of a Kingdom

May your heart be your guiding key.

$69 USD ~~$99 USD~~ 30% OFF

Early Black Friday access30% off, already applied

✦Solid Tungsten — Exceptionally scratch-resistant with a substantial, premium feel.
✦18K Gold Details — Genuine 18K gold that won't tarnish.
✦Laser Engraved — A crisp, permanent emblem that won't wear off.
✦Sweat & Water Resistant — Shower and gym safe, every day.

Size: Size guide

Extended returns & exchanges until Jan 15

Ships from Dallas, Texas

Tracked delivery to your door

Free shipping on orders over $99

“Great feel and engraving. I'm the biggest Square Enix fan so I had to!”

Natalie R. · 18K The Heart of a Kingdom Read reviews

The details

Materials & craft

You've saved our worlds and stopped the Heartless. We offer you this ring.

Solid tungsten with 18K gold details
8mm wide · about 15 g
Micro-laser engraved emblem that won't wear off

Fit

True to size

SmallTrueLarge

Measure a ring you already wear and match it to our chart.

Care Made for everyday wear

Keep it on

Washing hands
Showers & rain

Take it off

Pools & hot tubs
Cleaning products
Harsh chemicals

RinseDry with a soft clothStore in its pouch

Material stats

Core metal

Tungsten

The hardest metal we use.

Keeps its polish
Real weight
No upkeep

Scratch resistanceClose to scratch-proof in daily wear.
Tarnish resistanceNever tarnishes or needs polishing.
Water and sweatShower and gym safe.
Skin-friendlyHypoallergenic for most skin.
Weight Dense and heavy. You feel it on your hand.
ResizingNot resizableCovered by size exchanges. Can crack under a hard impact.

Compare all materials

What you'll unbox

Signature box, storage pouch and a collector's card in every order.

Signature box, open, with the storage pouch inside — Signature box

A hand holding the storage pouch above its open box — Storage pouch

Box and pouch with a ring and pendant — Ready to gift

Reviews

What owners say

4.8/5from 3,500+ reviews across UNLOCKED & NANIMERICA

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