Diamond Necklaces at Auction

Diamond necklaces range from understated pendants and delicate line necklaces to elaborate rivière and statement designs. Their appeal lies not only in the quality of the diamonds, but also in craftsmanship, setting, balance and wearability.

At Lyon & Turnbull, we provide specialist valuations and auction advice for diamond necklaces, offering a clear and considered route to sale.

Buying Diamond Necklaces at Auction

Diamond necklaces are a regular feature in our jewellery auctions, attracting interest from collectors, private buyers, and those seeking wearable fine jewellery.

We regularly handle:

Diamond pendants
Rivière necklaces
Diamond line necklaces
Antique diamond necklaces
Vintage diamond necklaces
Designer diamond necklaces

Necklaces with well-matched stones, elegant articulation and strong overall design can attract particular interest at auction.

Free Diamond Necklace Valuations

Find out how much your diamond necklace or jewellery could sell for at auction. Contact our auction team for a complimentary valuation.

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Try our lot alert service. If a forthcoming lot matches your search criteria you'll get an email with the lot details.

Department

Jewellery

Upcoming Valuation Days

Valuation Days

Jewellery Valuation Day - Edinburgh

02 July 2026

33 Broughton Place, Edinburgh

Valuation Days

Jewellery Valuation Day - London

10 June 2026

22 Connaught Street

Valuation Days

Jewellery Valuation Day - Glasgow

23 June 2026

182 Bath Street

Antique and Vintage Diamond Necklaces

Older diamond necklaces often appeal for their craftsmanship and distinctive period design. Victorian, Edwardian, and Art Deco examples may incorporate old-cut diamonds, millegrain settings, natural pearls, or decorative motifs rarely seen in contemporary jewellery. Original settings and strong provenance can further enhance desirability.

Designer Diamond Necklaces

Diamond necklaces by recognised jewellery houses can perform strongly at auction, particularly when accompanied by original boxes, receipts, or certificates.

We regularly offer jewellery by:

Signed pieces are often sought after for both craftsmanship and collectability.

Browse our Upcoming Diamond Necklace Auctions

Browse our Upcoming Jewellery Sales

What Affects the Value of a Diamond Necklace?

Several factors can influence the value of a diamond necklace at auction, including:

Total carat weight
Diamond quality and matching
Necklace design and articulation
Age and condition
Metal and setting quality
Provenance and maker

Wearability and overall balance are often important considerations for buyers.

Meet our Jewellery Specialists

Request a Free Diamond Necklace Valuation

If you are considering selling a diamond necklace, our jewellery specialists can provide a confidential valuation and advice on the most appropriate route to auction.

Sell Your Diamond Necklace at Auction With Lyon & Turnbull

Yes. Diamond necklaces are regularly sold at auction, from contemporary pendants to antique rivière necklaces and designer examples.

A rivière necklace is formed from a continuous line of gemstones, typically graduating in size. Antique diamond rivière necklaces remain particularly sought after.

They can be, especially when they retain original settings, period craftsmanship, and desirable old-cut stones.

Signed jewellery by makers such as Cartier or Bulgari can attract strong interest from collectors and buyers.

Certificates can be useful for higher-value stones, though they are not always necessary for auction valuation.

Diamond Necklaces at Auction

Buying Diamond Necklaces at Auction

Free Diamond Necklace Valuations

Add a Lot Alert

Jewellery

Upcoming Valuation Days

Antique and Vintage Diamond Necklaces

Designer Diamond Necklaces

Browse our Upcoming Jewellery Sales

What Affects the Value of a Diamond Necklace?

Meet our Jewellery Specialists

Request a Free Diamond Necklace Valuation

Sell Your Diamond Necklace at Auction With Lyon & Turnbull

Can I sell a diamond necklace at auction?

What is a rivière necklace?

Are antique diamond necklaces valuable?

Do designer diamond necklaces perform well at auction?

Do I need certificates for a diamond necklace?