Skip to content
  • Shop
    Shop AllOvertoneSilverMarine
    Shop AllLetterBirthstoneCreate Your Own
    Shop AllPersonalisedLetterBirthstoneStatementDiamondTextured & ChainCarabiners
    Shop AllHoopStudCartilageEar CuffDiamondStatementInitial PiercingStyle Guide
    Shop AllPersonalisedTennisDiamondTextured & ChainCuffs & BanglesLetterBirthstoneAnkletsSoldered
    Shop AllSignetDiamondFine & DelicateStatementReady to SetEngagementWedding Bands
    Shop AllGossamerSuspenseOpalMedusaPersonalised
    Engagement RingsWomens Wedding BandsMens Wedding BandsEternity BandsBridal JewelleryMilestone JewelleryMarine CollectionLearn More
    Gift GuideIconic GiftsPersonalised GiftsExceptional GiftsGifts Under $1000Gifts Under $500Gifts For HimMilestone GiftsGift Cards
    Shop AllBraceletsRingsWedding BandsNecklaces
    OvertoneOndineSilverGossamerSuspenseMarineAureliaXanthe
  • Book Appointment
    Learn MoreBook Piercing AppointmentBook Ear Styling AppointmentBook Aftercare AppointmentBook Ear Spa AppointmentKids & Teens PiercingShop Piercing EarringsStyle GuideAftercare GuideFAQs
    Begin Your JourneyBook Engagement Ring AppointmentBook Wedding Band AppointmentShop Engagement RingsShop Wedding BandsFAQs
    Learn MoreBook Soldered AppointmentBook Aftercare AppointmentShop Soldered Chains & SlidersFAQs
    Book Virtual AssistanceBook Virtual Engagement AppointmentBook Virtual Wedding AppointmentBook Virtual Milestone AppointmentBook Virtual Gift Concierge
  • Engagement & Bridal
    Engagement RingsWomens Wedding BandsMens Wedding BandsEternity BandsBridal JewelleryMilestone JewelleryReady To Set
    Begin Your JourneyThe Art Of EngagementDiamond GuideGemstone GuideCraftsmanship
    Book Engagement Ring AppointmentBook Wedding Band AppointmentFAQ's
  • Our World
    All StoresVictoriaNew South WalesQueenslandWestern Australia
    ProfileResponsible CraftsmanshipCareersPackaging
    Read More
    Ningaloo's NurseryThe Xanthe ProjectOperation CrayweedField NotesNow You See MeImpact Report
SARAH & SEBASTIAN
Account
Shop All

    Shop AllOvertoneSilverMarine

    Shop AllLetterBirthstoneCreate Your Own

    Shop AllPersonalisedLetterBirthstoneStatementDiamondTextured & ChainCarabiners

    Shop AllHoopStudEar CuffCartilageStatementDiamondInitial PiercingStyle Guide

    Shop AllPersonalisedTennisDiamondTextured & ChainCuffs & BanglesLetterBirthstoneSolderedAnklets

    Shop AllSignetDiamondFine & DelicateStatementReady To SetEngagementWedding

    Shop AllGossamerSuspenseMedusaOpalPersonalised

    Engagement RingsWomens Wedding BandsMens Wedding BandsEternity BandsBridal JewelleryMilestone JewelleryMarine CollectionBegin Your JourneyThe Art of Engagement

    Gift GuideIconic GiftsPersonalised GiftsExceptional GiftsGifts Under $1000Gifts Under $500Gifts For HimMilestone giftsGift Cards

    Shop AllBraceletsRingsWedding BandsNecklaces

    OvertoneOndineSilverGossamerSuspenseMarineAureliaXanthe

    Learn MoreBook Piercing AppointmentBook Ear Styling AppointmentBook Aftercare AppointmentBook Ear Spa AppointmentKids & Teens PiercingShop Piercing EarringsStyle GuideAftercare GuideFAQ's

    Begin Your JourneyThe Art of EngagementBook Engagement Ring AppointmentBook Wedding Band AppointmentReady To SetFAQ'sDiamond GuideGemstone GuideCraftsmanship

    Learn MoreBook Soldered AppointmentBook Aftercare AppointmentShop Soldered Chains & SlidersFAQ's

    Book Virtual AssistanceBook Virtual Engagement AppointmentBook Virtual Wedding AppoitmentBook Virtual Milestone AppointmentBook Virtual Gift Concierge
All Stores
Victoria
New South Wales
Queensland
Western Australia

    ProfileResponsible CraftsmanshipCareersPackaging

    Read More

    Ningaloo's NurseryThe Xanthe ProjectOperation CrayweedField NotesNow You See MeImpact Report
  • Wishlist
  • Account
  • Bag

You have no items in the bag

Gift Wrap

Enjoy complimentary gift wrap on all orders.

wrapping image
Oval Diamond Necklace
Oval Diamond Necklace Yellow Gold | Sarah & Sebastian onBody
Oval Diamond Necklace Yellow Gold | Sarah & Sebastian onBody

Oval Diamond Necklace

18 Karat Yellow Gold
From 5,000 AUD
/
Material:
  • Yellow Gold
Bespoke Enquiry
BOOK APPOINTMENT
Size Guide
Price & Stone Guide
Description
Details
Materials & Care
Production
Packaging

Our Oval Diamond Necklace in 18-karat gold features an oval diamond in a fine four claw setting complementing the stone on our signature bold chain. Elements of this necklace including chain length and diamond carat can be made bespoke upon request. From price is based on a 0.5ct, F colour and VS2 clarity diamond in 18k gold.

  • 18 karat yellow gold
  • High polish finish
  • setting
  • Pictured: 0.7 Carat Oval
  • Natural diamond
  • Model wears 16"

 

Engagement rings are designed for daily wear but should be handled with care to protect the stone and setting. Remove during exercise, manual labour, or heavy lifting to prevent damage. 

Store separately in a soft pouch or jewellery box, away from heat and moisture. Clean gently at home with warm soapy water and a soft brush, or visit a SARAH & SEBASTIAN store for professional polishing. Claw settings should be checked every six months. 

Learn more about how to care for your SARAH & SEBASTIAN jewellery here.

We are proud to handcraft every SARAH & SEBASTIAN engagement ring at our Sydney workshop from responsibly sourced precious metals. We have a trained team of diamond experts and gemologists who are passionate about choosing the most beautiful gemstone for your ring. SARAH & SEBASTIAN work with ethically sourced GIA graded white diamonds, champagne diamonds and a small selection of natural gemstones for our engagement collections.

Please allow up to eight weeks for production of your engagement ring.

For an added touch of luxury, our engagement rings are encased in a polished cast aluminium shell, designed to be a forever trinket box for your most treasured jewellery pieces or other meaningful mementos. Packed in our timeless white boxes, embossed with a subtle shell silhouette.

Oval Diamond Necklace

18 Karat Yellow Gold
From 5,000 AUD
/
Material:
  • Yellow Gold
Bespoke Enquiry
Bespoke Enquiry
BOOK APPOINTMENT
Size Guide
Price & Stone Guide

Our Oval Diamond Necklace in 18-karat gold features an oval diamond in a fine four claw setting complementing the stone on our signature bold chain. Elements of this necklace including chain length and diamond carat can be made bespoke upon request. From price is based on a 0.5ct, F colour and VS2 clarity diamond in 18k gold.

  • 18 karat yellow gold
  • High polish finish
  • setting
  • Pictured: 0.7 Carat Oval
  • Natural diamond
  • Model wears 16"

 

Engagement rings are designed for daily wear but should be handled with care to protect the stone and setting. Remove during exercise, manual labour, or heavy lifting to prevent damage. 

Store separately in a soft pouch or jewellery box, away from heat and moisture. Clean gently at home with warm soapy water and a soft brush, or visit a SARAH & SEBASTIAN store for professional polishing. Claw settings should be checked every six months. 

Learn more about how to care for your SARAH & SEBASTIAN jewellery here.

We are proud to handcraft every SARAH & SEBASTIAN engagement ring at our Sydney workshop from responsibly sourced precious metals. We have a trained team of diamond experts and gemologists who are passionate about choosing the most beautiful gemstone for your ring. SARAH & SEBASTIAN work with ethically sourced GIA graded white diamonds, champagne diamonds and a small selection of natural gemstones for our engagement collections.

Please allow up to eight weeks for production of your engagement ring.

For an added touch of luxury, our engagement rings are encased in a polished cast aluminium shell, designed to be a forever trinket box for your most treasured jewellery pieces or other meaningful mementos. Packed in our timeless white boxes, embossed with a subtle shell silhouette.

Oval Diamond Necklace

Bespoke Enquiry

We handpick our diamonds specifically for each client’s requirement to ensure we have sourced the best possible stone at that time.

Our diamond specialist is passionate about choosing ethically sourced, GIA certified stones which meet our strict parameters of colour, clarity and cut.

Fill out the form below with preferred carat size and budget and our customer service team will be in touch with you within 24 business hours.

Please note that we do not offer exchanges or returns for any bespoke items.

Personal information
Product details

Size Guide

THE PERFECT FIT
To measure your necklace length at home, wrap a soft tape measure around to determine your preferred length. Please note that the model images are a guide only and length may vary depending on individual.

Model wears 16, 18, and 20"

necklace builder size guide

 
SIZE GUIDE

LENGTH (INCHES) LENGTH (CENTIMETRES)
15 38.1
16 40.64
18 45.72
20 50.80

Download Complete Guide

 

Price & Stone Guide

Price is indicative and you will receive a bespoke quote based on your request and requirements. We have a trained team of gemologists who are passionate about choosing ethically sourced, GIA certified stones which meet our strict parameters of colour, clarity and cut.

For more information on the criteria we use to individually select our diamonds we encourage you to discover our Diamond Guide. 

 

Diamond Guide

 

Oval Diamond Necklace

From 5,000 AUD
Bespoke enquiry
Oval Diamond Necklace
Oval Diamond Necklace Yellow Gold | Sarah & Sebastian onBody
Oval Diamond Necklace Yellow Gold | Sarah & Sebastian onBody
  • Contact Us
  • Shipping
  • Returns & Repairs
  • FAQs
  • Warranty Policy
  • Terms & Conditions
  • Privacy Policy
  • Cookies Policy
  • Brand Profile
  • Stores
  • Philanthropy
  • Recycling
  • Care Guide
  • Careers
  • Instagram
  • Facebook
  • Pinterest

  • Contact Us
  • Shipping
  • Returns & Repairs
  • FAQs
  • Warranty Policy
  • Terms & Conditions
  • Privacy Policy
  • Cookies Policy

  • Brand Profile
  • Stores
  • Philanthropy
  • Recycling
  • Care Guide
  • Careers

  • Instagram
  • Facebook
  • Pinterest

JOIN THE LIST

Receive updates on new arrivals, exclusive events, store openings, news and more.
loading
Thank you for subscribing!
Thank you for subscribing!

Our Oval Diamond Necklace in 10-karat gold features an oval diamond in a fine four claw setting complementing the stone on our signature fine chain. Elements of this necklace including chain length and diamond carat can be made bespoke upon request.

© SARAH & SEBASTIAN 2026
SARAH & SEBASTIAN
Country/region
Country/region
Australia
Europe
Hong Kong SAR
Japan
New Zealand
Singapore
United Kingdom
United States
Rest of the World
Chat

Log in

Please enter your e-mail and password.

RESET PASSWORD

Enter your email below. A link will be sent to your email to reset password.

Register

Create an account to continue

Currency

  AUD $
  • USD
  • GBP
  • SGD
  • NZD
  • JPY
  • HKD
  • EUR