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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.
Tanzanite Bamboo Ring
9 kt Solid Gold
$210.00$420.00
Details
Meet the tanzanite bamboo ring.
Part of our birthstone collection, this semi-precious gemstone is ethically sourced and represents December's birthstone.
This dainty ring suits every finger. Always best mix to match with other styles to create a stack completely unique to you.
Meet the tanzanite bamboo ring.
Part of our birthstone collection, this semi-precious gemstone is ethically sourced and represents December's birthstone.
This dainty ring suits every finger. Always best mix to match with other styles to create a stack completely unique to you.
9-karat solid yellow gold
Ethically sourced tanzanite
1mm thick gold band
1.5mm round cut stone
OT0029-1842-J
Read moreShow less
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.