Ladies 18ct Diamond Necklaces

18ct White Gold

77 Items
Miltons Diamonds
18ct Yellow Gold Diamond Solitaire Pendant & Necklace - 0.30ct
£595.00
Miltons Diamonds
18ct Yellow Gold Tapered Diamond Pendant & Chain - 18" - 2.87ct
£7,995.00
Miltons Diamonds
18ct Yellow Gold Diamond Solitaire Pendant & Chain - 18" -0.31ct
£695.00
Miltons Diamonds
18ct Yellow & White Gold Scatter Diamond Necklace - 18" - 0.40ct
£599.00
Miltons Diamonds
18ct Yellow Gold Emerald Diamond Pendant & Necklace -16" -0.50ct
£1,495.00
Miltons Diamonds
18ct Yellow Gold Diamond Bee Pendant & Necklace - 18" - 0.38ct
£1,500.00
Chopard
18ct Chopard Happy Spirit Diamond Pendant & Necklace
£3,995.00
Sell your watch with confidence.
Miltons Diamonds
18ct White Gold 0.46ct Diamond Pendant & Necklace - 18" - 0.46ct
£1,855.00
Miltons Diamonds
18ct White Gold Round Brilliant Diamond Pendant - 1.01ct
£3,950.00
Miltons Diamonds
18ct White Gold Diamond Solitaire Pendant & Necklace - 0.53ct
£1,195.00
Miltons Diamonds
18ct White Gold Diamond Art Deco Pendant & Necklace - 18" - 7.4g
£665.00
Miltons Diamonds
18ct Rose Gold Open Circle Diamond Necklace - 16/18" - 0.10ct
£699.00
Miltons Diamonds
18ct Rose Gold Diamond Frog Pendant - 14x6x17mm - 0.10ct
£550.00
Miltons Diamonds
18ct Rose Gold Open Marquise Diamond Necklace - 16/18" - 0.16ct
£759.00
David M Robinson
18ct Yellow Gold Diamond Pendant & Necklace - 20" - 13.9g
£1,895.00
David M Robinson
18ct White Gold Diamond Leaf Pendant & Necklace - 18" - 1.35ct
£2,200.00
Miltons Diamonds
18ct Yellow Gold Diamond Bar Pendant & Necklace - 17" - 0.70ct
£1,495.00
Miltons Diamonds
18ct White Gold Diamond Initial 'S' Pendant & Necklace - 0.06ct
£475.00
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Are your diamonds and gemstones authentic?

Yes — every diamond and gemstone at Miltons Diamonds is carefully checked for authenticity. Our pieces are assessed by experienced and qualified gemmologists to ensure they meet our high standards. Where applicable, stones may also be accompanied by independent certification (such as GIA), giving you complete confidence in the quality and provenance of your purchase.

How are your items valued?

All of our jewellery is thoroughly inspected and valued by a qualified gemmologist. We assess key factors such as cut, colour, clarity, carat weight, and overall craftsmanship. This expert evaluation ensures that every piece is accurately described and fairly priced, so you can buy with confidence knowing you’re receiving genuine value.

Are your pre-owned watches authenticated?

Absolutely. Every pre-owned watch we sell undergoes a rigorous authentication process. Our watches are inspected by specialists to verify originality, condition, and performance. We ensure that each timepiece is genuine and accurately represented, so you can purchase luxury watches with complete peace of mind.

What are your delivery times and do you hold your stock?

We aim to dispatch all orders quickly and securely, with most items sent via next working day delivery after purchase. All products listed on our website are physically held in stock by Miltons Diamonds and are available to view in-store as well as online. This means you can shop confidently knowing your chosen item is ready for immediate dispatch or personal viewing.

18ct White Gold

100+ YEARS HERITAGE

2 YEAR ROLEX WARRANTY

NEXT DAY DELIVERY

5 STAR RATED