Sizing Guide

Accurate sizing ensures comfort, longevity, and ease of wear. Sizing guides are provided as a reference only. Lunanite Jewellery cannot be held liable for incorrect measurements supplied at checkout. Professional sizing is recommended for bespoke, made-to-order, or sentimental pieces.

Tips for Accurate Sizing

Measure your finger at the end of the day when it's at its largest
Ensure the ring can slide over your knuckle comfortably
Consider the width of the band - wider bands may require a slightly larger size
If you're between sizes, we recommend sizing up

Ring Sizing

How to Measure

1. Measure an Existing Ring

• Choose a ring that fits the intended finger comfortably
• Measure the inside diameter in millimetres
• Match your measurement to the chart below

2. Measure Your Finger

• Wrap a thin strip of paper or string around the base of your finger
• Mark where it overlaps
• Measure the length in millimetres
• Use the circumference measurement to find your size

Inside Diameter (mm)	Circumference (mm)	SA / UK Size
14.8	46.5	E
15.0	47.5	E½
15.3	48.5	F
15.5	49.5	F½
15.8	50.5	G
16.0	51.5	G½
16.3	52.5	H
16.5	53.5	H½
16.8	54.5	I
17.0	55.5	I½
17.3	56.5	J
17.5	57.5	J½
17.8	58.5	K
18.0	59.5	K½
18.3	60.5	L
18.5	61.5	L½
18.8	62.5	M
19.0	63.5	M½
19.3	64.5	N
19.5	65.5	N½
19.8	66.5	O
20.0	67.5	O½
20.3	68.5	P
20.5	69.5	P½
20.8	70.5	Q
21.0	71.5	Q½
21.3	72.5	R

Bracelet Sizing

Bracelets are sized according to wrist circumference and preferred fit. Lunanite bracelets are intended to sit comfortably with gentle movement.

How to Measure

• Wrap a measuring tape or string around your wrist bone
• Measure snugly, without pulling tight
• Add allowance depending on your preferred fit

Inside Diameter (mm)	Hand Width (mm)	Size
60	Up to 185	Small
65	186 – 200	Medium
70	201 – 215	Large