Skip to Content Skip to Navigation Skip to Offers

SALE Up To 50% Off Selected Lines|

NEW Create Your Own Ring|

Shop Now

Up To 3 Years Interest-Free Credit Available*

Book Appointment
- Sign In / Create AccountSign InCreate Account
Favourites
Stores

Search product or content

Sale
Jewellery
Engagement
Watches
Diamonds
Wedding
Gold
Christmas

Home
Jewellery2
Necklaces

Home
Favourites

Sale
- By Category
- By Recipient
  - Womens
  - Men's
- By Price
- By Brand
- Offers
  - Free Lab-Grown Diamond Ring
  - 20% Off Platinum Wedding Rings
- Clearance
Jewellery
Shop Jewellery
Engagement
- By Category
- By Style
- By Metal Type
- By Cut/Shape
- By Carat
  - 1ct
  - 2ct
  - 3ct
- By Brand
- Inspiration
View All Engagement Rings
Watches
- By Category
- By Collection
- By Luxury Brand
- By Designer Brand
View All Watches
Diamonds
- By Category
- By Ring Styles
- By Metal Type
- By Brand
- Inspiration
  - How are natural diamonds formed
  - Lab Grown vs Natural Diamonds
View All Diamonds
Wedding
- By Category
- By Ring Style
- By Metal Type
- By Brand
- By Accessories
- Inspiration
  - Wedding Jewellery Guide for Brides
View All Wedding Rings
Gold
- Shop By Category
- Shop By Recipient
  - Womens' Gold Jewellery
  - Mens' Gold Jewellery
- By Carat
- Shop By Price
- By Metal Colour
- By Collection
Christmas

Book Appointment
- Sign In / Create AccountSign InCreate Account
Stores
Customer Service

Onyx Necklaces

2 Items

Filters

Select Filters

Filters

Gold (1) Items Available
Stainless Steel (1) Items Available

£100-£249 (1) Items Available
£250-£499 (1) Items Available

£ min

£ max

Pendant (2) Items Available

Silver-Tone (1) Items Available
Yellow (1) Items Available

No Stone (302) Items Available
Diamond (160) Items Available
Cubic Zirconia (107) Items Available
Crystal (37) Items Available
Pearl (36) Items Available

MEN (1) Items Available
WOMEN (1) Items Available

9ct (1) Items Available

Emporio Armani (1) Items Available
Ernest Jones Gold Collection (1) Items Available

Black (2) Items Available

Curb (1) Items Available

16.6 (1) Items Available
18 (1) Items Available

No (2) Items Available

Yes (2) Items Available

2 Items items returned.

Price Low to High
Price High to Low
Newest Arrivals
Most popular

Sort By:

Variations Available

9ct Yellow Gold Black Onyx Oval Shaped Pendant
New In

£375.00

From 18.75 p/m 0% APR*

Compare 9ct Yellow Gold Black Onyx Oval Shaped Pendant

Variations Available

Emporio Armani Men's Stainless Steel Black Onyx Pendant Necklace
New In

£105.00

Compare Emporio Armani Men's Stainless Steel Black Onyx Pendant Necklace

Showing 2 of 2 products

Back to top

Get 10% Off Your First Order

Sign up to our emails to receive your 10% off* code.
Exclusions apply.

*Discount only applies to full price products

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 NEW Create Your Own Ring Design Your Own Jewellery 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

Black Friday 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

Top Brands

ARCTIC LIGHT BOSS Gucci Garmin Le Vian Leonardo Da Vinci Cut Origin By Ernest Jones Tudor Tissot Vera Wang LOVE Citizen Bulova 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.

Onyx Necklaces

Filters

Filters Clear All Filters

Filters

Filters Clear All Filters

Select Filters

Filters

Metal Type

Price

Necklace Style

Metal Colour

Stone Type

Recipient

Gold Carat

Brands

Stone Colour

Chain Type

Chain Length

Certified Diamond

Instock

9ct Yellow Gold Black Onyx Oval Shaped PendantNew In

Emporio Armani Men's Stainless Steel Black Onyx Pendant NecklaceNew In

About Ernest Jones

Services

Shop at Ernest Jones

Top Brands

Buying Guides

Filters

Filters

9ct Yellow Gold Black Onyx Oval Shaped Pendant
New In

Emporio Armani Men's Stainless Steel Black Onyx Pendant Necklace
New In