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Size guide
How to find your ring size
Choosing the right ring size can be a little difficult; whether it's for yourself, a partner or a friend. To make things easy, just follow our tools and tips on how to pick the perfect size.
The most commonly purchased women’s ring sizes are a UK size J & K (small) and a UK L & M (medium).
UK / AUS
US
EU
Inside Diameter mm
Circ. mm
E
2 1/2
42
13.7
42.9
F
3
44
14.1
44.2
G
3.5
45
14.5
45.5
H
4
46
14.9
46.7
I
4.5
48
15.3
48
J
5
49
15.5
48.7
K
5.5
50
15.9
49.9
L
6
51
16.3
51.2
M
6.5
53
16.7
52.5
N
7
54
17.1
53.8
O
7.5
55
17.5
55
P
8
56
17.9
56.3
Q
8 1/4
57 1/2
18.3
57.6
Still not sure?Take a look at our more in-depth size guide here
Please send your return to us within 14 days of making your order. Bespoke and personalised items are not
eligible for returns. See our returns page for more information.
Customer Care
Our dedicated customer experience team are always on hand to help.
Otiumberg HQ
Metal Box Factory,
30 Great Guildford Street,
London,
SE1 0HS,
United Kingdom
Packaging & Gift Wrap
Each order is packaged in our sustainable white pouch and box as standard, which look beautiful whilst also
being kind to the environment.
Alternatively our gift wrap offers a special moment, with elegantly tied brown ribbon, gift bag and handwritten
notecard featuring your personal message.
All elements of our packaging are responsibly made using carefully selected sustainable materials including
raime, FSC and recycled paper, no plastic or foam included.
Please note: our boxes are not intended for storage of your jewellery. Please recycle your box & store your
jewellery in the internal fabric pouch provided.
Digital Gift Card
Available to UK customers only
Details
Shopping for someone else but not sure what to give them? Give them the gift of choice with an Otiumberg digital gift card.
Gift cards are delivered by email and contain instructions on how to redeem them at checkout. Our gift cards have no additional processing fees.
Select the amount you would like to gift from the dropdown below.
Please note that once purchased we can not offer refunds or exchanges on gift cards.
Shopping for someone else but not sure what to give them? Give them the gift of choice with an Otiumberg digital gift card.
Gift cards are delivered by email and contain instructions on how to redeem them at checkout. Our gift cards have no additional processing fees.
Select the amount you would like to gift from the dropdown below.
Please note that once purchased we can not offer refunds or exchanges on gift cards.
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Global Delivery & Returns
Responsible & Sustainable Practices
As a B Corp certified business, we are dedicated to operating responsibly and hold an unwavering
commitment to always do better. From our recycled and single mine origin precious metals, to our plastic
policy and workshop relationships, we truly care about our impact.