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O Size Rings

Browse our collection of O size rings here at Ramsdens Jewellery. You can make sure you're looking at the right range for you by using our printable ring size guide. And, if you're between sizes, you might be interested in our N size or P size rings.
9ct Yellow Gold Signet Ring
Ramsdens9ct Yellow Gold Signet Ring
£699.00
RRP £1,189.00
9ct Yellow Gold Signet Ring
Ramsdens9ct Yellow Gold Signet Ring
£659.00
RRP £1,125.00
9ct Yellow Gold Signet Ring
Ramsdens9ct Yellow Gold Signet Ring
£709.00
RRP £1,205.00
9ct Yellow Gold Claddagh Ring
Ramsdens9ct Yellow Gold Claddagh Ring
£605.00
RRP £1,029.00
9ct Yellow Gold Cubic Zirconia Flip over Heart Ring
Ramsdens9ct Yellow Gold Cubic Zirconia Flip over Heart Ring
£255.00
RRP £435.00
9ct Yellow Gold Nan ID Ring
Ramsdens9ct Yellow Gold Nan ID Ring
£245.00
RRP £419.00
9ct Yellow Gold Mum ID Ring
Ramsdens9ct Yellow Gold Mum ID Ring
£259.00
RRP £439.00
9ct Yellow Gold Mum Basket Ring
Ramsdens9ct Yellow Gold Mum Basket Ring
£349.00
RRP £595.00
9ct Yellow Gold Cubic Zirconia Mum Ring
Ramsdens9ct Yellow Gold Cubic Zirconia Mum Ring
£255.00
RRP £435.00
9ct Yellow Gold Cubic Zirconia Mum Ring
Ramsdens9ct Yellow Gold Cubic Zirconia Mum Ring
£449.00
RRP £769.00
9ct Yellow Gold Cubic Zirconia Saddle Ring
Ramsdens9ct Yellow Gold Cubic Zirconia Saddle Ring
£615.00
RRP £1,045.00
9ct Yellow Gold 3 Row Keeper Ring
Ramsdens9ct Yellow Gold 3 Row Keeper Ring
£315.00
RRP £535.00
9ct Yellow Gold Filigree Ring
Ramsdens9ct Yellow Gold Filigree Ring
£205.00
RRP £345.00
9ct Yellow Gold Wishbone Ring
Ramsdens9ct Yellow Gold Wishbone Ring
£205.00
RRP £345.00
9ct Yellow Gold Heart Ring
Ramsdens9ct Yellow Gold Heart Ring
£215.00
RRP £365.00
9ct Yellow Gold Buckle Ring
Ramsdens9ct Yellow Gold Buckle Ring
£339.00
RRP £575.00
9 Carat White Gold 0.12pts Diamond & Ruby Ring
Ramsdens9 Carat White Gold 0.12pts Diamond & Ruby Ring
£525.00
RRP £895.00
9 Carat Yellow Gold 12pts Diamond & Sapphire Ring
Ramsdens9 Carat Yellow Gold 12pts Diamond & Sapphire Ring
£525.00
RRP £895.00
9 Carat Yellow Gold 50pt Diamond & Emerald Channel Set Half Eternity Ring
Ramsdens9 Carat Yellow Gold 50pt Diamond & Emerald Channel Set Half Eternity Ring
£559.00
RRP £955.00
9ct Yellow Gold 0.02ct Diamond Mum Ring
Ramsdens9ct Yellow Gold 0.02ct Diamond Mum Ring
£239.00
RRP £405.00
9 Carat Yellow Gold 2pts Diamond Mum Ring
Ramsdens9 Carat Yellow Gold 2pts Diamond Mum Ring
£245.00
RRP £415.00
9 Carat Yellow Gold 0.05pts Diamond Heart Ring
Ramsdens9 Carat Yellow Gold 0.05pts Diamond Heart Ring
£265.00
RRP £449.00
9 Carat Yellow Gold 0.05cts Diamond Claddagh Ring
Ramsdens9 Carat Yellow Gold 0.05cts Diamond Claddagh Ring
£269.00
RRP £459.00
9 Carat Yellow Gold 0.10pts Diamond Claddagh Ring
Ramsdens9 Carat Yellow Gold 0.10pts Diamond Claddagh Ring
£415.00
RRP £705.00
A UK ring size O has a circumference of 55.1mm, which means it's the equivalent to a US 7 and an EU 54 ⅝. It's a relatively common ring size, which means we typically have an extensive range of styles in this size. However, some of them are one-offs, so it's best to make a quick decision if there's a piece you love!

Because there are so many men's and women's rings in a size O to choose from, you should have no trouble finding a beautiful accessory to suit your needs. Whether you're planning to propose to your beloved and are shopping for an engagement ring in a size O, or you're looking to treat yourself to a size O diamond or gold ring, we'll have just the thing to fit the bill.

These aren't the only rings we stock, either. So, if you would like more options, make sure you check out our entire collection of luxury rings, as we often have pieces that can be resized to fit you perfectly.

Found a men's or women's ring in a size O that you love? Shop online today with free UK delivery. We also offer a 14-day returns period to give you complete peace of mind.