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Cobalt Jewellery

An alternative to the classic silver wedding band, Ruby & Oscar cobalt rings combine statement designs with matte finishes and eye catching stones to break from tradition.
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Ruby & Oscar Men's Traditional 6mm Ring in Cobalt - R126539B
Men's Traditional 6mm Ring in Cobalt
As low as £169
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Ruby & Oscar Men's Style 5mm Notched Ring in Cobalt - R126555B
Men's Style 5mm Notched Ring in Cobalt
As low as £245
Ruby & Oscar Men's Classic Three Stone 5mm Ring in Cobalt - R126547B
Men's Classic Three Stone 5mm Ring in Cobalt
As low as £245
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3 styles

per page
  1. Name
  2. Most Popular
  3. Price (High to Low)
  4. Price (Low to High)