Skip to Content Skip to Navigation Skip to Offers

Order by 19 Dec, 12 PM To Receive Your Christmas Gifts On Time|

Christmas Gifts | 30% Off Full Price Lab-Grown Diamonds|

Shop Now

Up To 4 Years Interest-Free Credit Available*

- Sign In / Create AccountSign InCreate Account
Favourites
Stores

Search product or content

Christmas
Jewellery
Watches
Engagement
Diamonds
Wedding
Men's
Offers

Home
Wedding

Cobalt Wedding Rings

Sorry, no results found. Please adjust the filters and try again.

Filters

Select Filters

Filters

Gold
(565) Items Available
Platinum
(139) Items Available
Titanium
(9) Items Available
Sterling Silver
(7) Items Available

Back to top

10% off your next purchase

Sign up to our emails and receive 10% off. Exclusions apply.

User Email

I accept the privacy policy. Read our privacy policy

About Ernest Jones

About us Cookie Policy Careers Corporate Governance Statement Diamond Sourcing Policy For Business Modern Slavery Act Statement Supporting Young Lives vs Cancer Sitemap Privacy Policy Terms and Conditions WEEE Directive

Services

Book an In-Store Appointment Customer Service Contact Us Create Your Own Ring Diamond Service Engraving Jewellery & Watch Insurance Jewellery Repairs Ring Sizer & Ring Sizing Chart Reasons to Shop Store Locator Talk to an Expert Valuation Watch Repairs

Shop at Ernest Jones

Clearpay Delivery information Gift Cards Gift With Purchase Interest Free Credit Key Worker Discount Offers Price Promise Request Payment Options Recommend a Friend Returns and Exchanges 15% Student Discount at Ernest Jones Track an Order Valentines Day

Top Brands

ARCTIC LIGHT BOSS Gucci Garmin Le Vian Leonardo Da Vinci Cut Origin By Ernest Jones Tudor Tissot Vera Wang LOVE View All Brands

Buying Guides

Browse All Buying Guides Discover the Blog Diamond Buying Guide Engagement Ring Buying Guide Gemstone Buying Guide Hallmark Guide Lab Grown Diamond Buying Guide Metal Buying Guide Watch Buying Guide Wedding Ring Buying Guide

PayPal Credit Representative Example: Assumed credit limit £1200. Representative 23.9% APR (variable) Purchase rate 23.9% p.a (variable).

* Other repayment options may be available Credit subject to status and affordability Terms and conditions apply. PayPal Credit is a trading name of PayPal UK Ltd, 5 Fleet Place, London, United Kingdom, EC4M 7RD.

Credit subject to status and affordability. Minimum spend and deposit levels apply. Terms and conditions apply. Credit available on selected lines. Signet Trading Limited, trading as Ernest Jones is a credit broker and not a lender, authorised and regulated by the Financial Conduct Authority. FRN: 734131. Registered office: Hunters Rd, Hockley, Birmingham B19 1DS. Registered in England and Wales. Registered number 03768979. Credit is provided by a panel of lenders with whom we have a commercial relationship (so we cannot provide independent advice). ©Signet Trading Limited 2025. All rights reserved. "Ernest Jones" and other TM are trademarks of Signet or its licensors.

Cobalt Wedding Rings

Filters

Filters Clear All Filters

Filters

Filters Clear All Filters

Select Filters

Filters

Metal Type

About Ernest Jones

Services

Shop at Ernest Jones

Top Brands

Buying Guides

Filters

Filters