Diamond Necklaces — Hatton Garden, London

From delicate diamond pendants to bold tennis necklaces, every piece in this collection is handcrafted in Hatton Garden — the heart of the UK's finest jewellery quarter. Each design is made with ethically sourced diamonds and hallmarked precious metals, crafted to be treasured for a lifetime.

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  • Featured
  • Most relevant
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  • Alphabetically, A-Z
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  • Price, low to high
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  • Paved Initial Diamond Pendant with Leaf Design | Custom A-Z Pendant without ChainPaved Initial Diamond Pendant with Leaf Design | Custom A-Z Pendant without Chain
    FineDiam

    Paved Initial Diamond Pendant with Leaf Design | Custom A-Z Pendant without Chain 9k White Gold

    ✨Product Description:-Explore our elegant Paved Initial Diamond Pendant Necklace with a delicate leaf design, featuring custom letters from A to Z. Crafted in luxurious gold and adorned with sparkling diamonds, this pendant is a perfect blend of nature-inspired beauty and personalized luxury. The unique...
    From £465.70
    From £465.70
    • 9k White Gold
    • 9k Yellow Gold
    • 9k Rose Gold
    • 18k White Gold
  • Diamond Script Initial Pendant Necklace Without ChainDiamond Script Initial Pendant Necklace Without Chain
    FineDiam

    Diamond Script Initial Pendant Necklace Without Chain 9k White Gold

    Make a sparkling statement with our Dazzling Diamond Script Initial  Pendant Necklace — a true symbol of elegance and individuality. Crafted with premium natural or lab-grown diamonds, this exquisite piece offers unmatched brilliance and timeless beauty. ✨ Diamond Options: Natural Diamonds: F Color | VS–SI...
    From £742.18
    From £742.18
    • 9k White Gold
    • 9k Yellow Gold
    • 9k Rose Gold
    • 18k White Gold
  • Paved Initial Round Diamond Pendant – Letter PendantPaved Initial Round Diamond Pendant – Letter Pendant
    FineDiam

    Paved Initial Round Diamond Pendant – Letter Pendant 9k White Gold

    ✨Product Description:-Make a sparkling statement with our Dazzling Paved Initial Round Diamond Pendant — a true symbol of elegance and individuality. Crafted with premium natural or lab-grown diamonds, this exquisite piece offers unmatched brilliance and timeless beauty. Designed for everyday elegance, this pendant also...
    From £189.22
    From £189.22
    • 9k White Gold
    • 9k Yellow Gold
    • 9k Rose Gold
    • 18k White Gold
  • Paved Initial Diamond Pendant | Sideways Initial Necklace | Custom A-Z PendantPaved Initial Diamond Pendant | Sideways Initial Necklace | Custom A-Z Pendant
    FineDiam

    Paved Initial Diamond Pendant | Sideways Initial Necklace | Custom A-Z Pendant 9k White Gold

    ✨Product Description:- Explore our stunning collection of Paved Initial Diamond Pendants, featuring custom letters from A to Z, crafted in luxurious gold & platinum. This sideways initial pendant offers a unique twist on the traditional design, with diamonds set in a pave style to ensure...
    From £379.30
    From £379.30
    • 9k White Gold
    • 9k Yellow Gold
    • 9k Rose Gold
    • 18k White Gold
  • Initial Diamond Pendant Necklace with Leaf Design | Custom A-Z PendantInitial Diamond Pendant Necklace with Leaf Design | Custom A-Z Pendant
    FineDiam

    Initial Diamond Pendant Necklace with Leaf Design | Custom A-Z Pendant 9k White Gold

    ✨Product Description:-Discover our stunning collection of Paved Initial Diamond Pendant Necklaces with Leaf Design, featuring custom letters from A to Z, crafted in gold and adorned with sparkling diamonds. The unique leaf design adds a natural and elegant touch to the classic initial pendant,...
    From £431.14
    From £431.14
    • 9k White Gold
    • 9k Yellow Gold
    • 9k Rose Gold
    • 18k White Gold
  • Pendant with Baguette and Round DiamondsPendant with Baguette and Round Diamonds
    FineDiam

    Paved Initial Diamond Pendant Necklace | Custom A-Z Pendant Without Chain 9k Rose Gold

    ✨Product Description:- Make a sparkling statement with our Dazzling Paved Initial Diamond Pendant — a true symbol of elegance and individuality. Crafted with premium natural or lab-grown diamonds, this exquisite piece offers unmatched brilliance and timeless beauty. Designed for everyday elegance, this pendant also makes a...
    From £1,442.88
    From £1,442.88
    • 9k Rose Gold
    • 9k White Gold
    • 9k Yellow Gold
    • 18k White Gold
  • Pendant with Baguette & Round DiamondsPendant with Baguette & Round Diamonds
    FineDiam

    Paved Initial Diamond Pendant | Custom A-Z Pendant Without Chain 9k White Gold

    ✨Product Description:- Shop this exquisite Paved Initial Diamond Pendant, featuring the letter ‘D’ crafted in elegant rose gold and adorned with sparkling lab-grown and natural diamonds. This personalized pendant offers a luxurious touch to your jewelry collection, combining timeless design with modern craftsmanship. With a...
    From £1,156.90
    From £1,156.90
    • 9k White Gold
    • 9k Yellow Gold
    • 9k Rose Gold
    • 18k White Gold
  • Paved Initial Diamond Pendant | Baguette and Round DiamondsPaved Initial Diamond Pendant | Baguette and Round Diamonds
    FineDiam

    Paved Initial Diamond Pendant | Baguette and Round Diamonds 9k Yellow Gold

    ✨Product Description:- Shop this elegant Paved Initial Diamond Pendant Necklace, featuring the letter ‘A-Z’ crafted in yellow gold and encrusted with sparkling lab-grown & natural diamonds. This personalized pendant combines the brilliance of baguette and round diamonds, making it a standout piece for any occasion....
    From £2,185.92
    From £2,185.92
    • 9k Yellow Gold
    • 9k Rose Gold
    • 9k White Gold
    • 18k White Gold
  • Paved Initial Diamond Pendant Necklace | Custom A-Z Pendant | Round DiamondsPaved Initial Diamond Pendant Necklace | Custom A-Z Pendant | Round Diamonds
    FineDiam

    Paved Initial Diamond Pendant Necklace | Custom A-Z Pendant | Round Diamonds 9k White Gold

    ✨Product Description:-Shop this luxurious Paved Initial Diamond Pendant Necklace, featuring the letter ‘A-Z’ beautifully crafted in your choice of white, rose, or yellow gold and encrusted with sparkling round diamonds. This pendant offers a sophisticated way to express your individuality. The pave setting ensures...
    From £301.54
    From £301.54
    • 9k White Gold
    • 9k Yellow Gold
    • 9k Rose Gold
    • 18k White Gold
  • Pear Black Onyx & Diamond Rose Gold Pendant NecklacePear Black Onyx & Diamond Rose Gold Pendant Necklace
    Finediam

    Pear Black Onyx & Diamond Rose Gold Pendant Necklace Sterling Silver

    Elegant and sophisticated, this pear-shaped black onyx and diamond pendant is a timeless piece designed to elevate your everyday style. The deep, rich hue of the 12x8mm AAA-grade black onyx stone is perfectly complemented by the brilliant sparkle of a genuine white diamond accent....
    From £266.98
    From £266.98
    • Sterling Silver
    • 9k White Gold
    • 9k Rose Gold
    • 9k Yellow Gold
  • A pear lab-grown diamond solitaire pendant set in a metallic mount, displayed against a white background.Pear Diamond Pendant | Elegant Diamond Pendant Without Chain
    Finediam

    Pear Diamond Pendant | Elegant Diamond Pendant Without Chain

    Luxury Pear Diamond Pendant Necklace Elevate your jewellery collection with this exquisite Pear Diamond Pendant Necklace, expertly crafted to showcase timeless elegance and exceptional brilliance. Featuring a stunning pear-shaped diamond secured in a classic four-prong setting and suspended from a refined pavé-set V-bail, this...
    From £180.58
    From £180.58
  • Luxury Oval Diamond Pendant in White Gold | Elegant Necklace Gift for HerLuxury Oval Diamond Pendant in White Gold | Elegant Necklace Gift for Her
    Finediam

    Luxury Oval Diamond Pendant in White Gold | Elegant Necklace Gift for Her

    Add timeless elegance to your jewellery collection with this sophisticated Oval Diamond Pendant Necklace in luxurious White Gold. Featuring a brilliant oval-cut diamond suspended beneath a sleek V-bail design, this pendant offers a refined and modern appearance with exceptional sparkle.Shop our oval diamond pendant...
    From £180.58
    From £180.58
  • Princess-Cut Diamond Geometric Bezel Set Pendant NecklacePrincess-Cut Diamond Geometric Bezel Set Pendant Necklace
    Finediam

    Luxury Princess Cut Diamond Pendant in Yellow Gold | Modern Elegance

    ✨Product Description:- Shop our princess cut diamond pendant in yellow gold. A sleek geometric bezel design offering modern elegance and everyday luxury, perfect for adding a touch of sophistication to any occasion. Expertly crafted in 9K or 18K gold and platinum , this pendant...
    From £215.14
    £526.18
    From £215.14
  • Lab-Grown D-VVS Princess-Cut Diamond Necklace Pendant For WomenLab-Grown D-VVS Princess-Cut Diamond Necklace Pendant For Women
    Finediam

    Lab-Grown D-VVS Princess Cut Diamond Pendant | Gift For Women Without Chain

    ✨Product Description:- Timeless elegance meets modern sustainability with this stunning Princess Cut Diamond Pendant | Gift For Women. Designed for those who appreciate simplicity and luxury, this pendant features a brilliant D color (colorless) and VVS clarity round-cut diamond. Expertly crafted in 9K or...
    From £215.14
    £526.18
    From £215.14
  • Lab-Grown D-VVS Princess-Cut Diamond Necklace Pendant For WomenLab-Grown D-VVS Princess-Cut Diamond Necklace Pendant For Women
    Finediam

    D-VVS Princess Cut Diamond Pendant | Lab Grown Diamond Without Chain

    ✨Product Description:- Timeless elegance meets modern sustainability with this stunning Round Lab-Grown Diamond Solitaire Pendant. Designed for those who appreciate simplicity and luxury, this pendant features a brilliant D color (colorless) and VVS clarity round-cut diamond.Shop our Princess Cut Diamond Pendant Necklace in white...
    From £215.14
    £526.18
    From £215.14
  • D-VVS Round Cut Lab-Grown Round Diamond Pendant | Solitaire Pendant Without ChainD-VVS Round Cut Lab-Grown Round Diamond Pendant | Solitaire Pendant Without Chain
    Finediam

    D-VVS Round Cut Lab-Grown Round Diamond Pendant | Solitaire Pendant Without Chain

    ✨Product Description:- Timeless elegance meets modern sustainability with this stunning Round Lab-Grown Diamond Solitaire Pendant. Designed for those who appreciate simplicity and luxury, this pendant features a brilliant D color (colorless) and VVS clarity round-cut diamond .Discover our stunning Round Diamond Pendant Necklace, featuring...
    From £181.44
    £526.18
    From £181.44
  • D-VVS Diamond Pendant Necklace | Solitaire Pendant Without ChainD-VVS Diamond Pendant Necklace | Solitaire Pendant Without Chain
    Finediam

    D-VVS Diamond Pendant Necklace | Solitaire Pendant Without Chain

    ✨Product Description:- Timeless elegance meets modern sustainability with this stunning Round Lab-Grown Diamond Solitaire Pendant. Designed for those who appreciate simplicity and luxury, this pendant features a brilliant D color (colorless) and VVS clarity round-cut diamond .Shop this elegant Diamond Pendant Necklace featuring a...
    From £181.44
    £526.18
    From £181.44
  • Triangular Shape Diamond Pendant | Lab Grown Diamond Pendant Without ChainTriangular Shape Diamond Pendant | Lab Grown Diamond Pendant Without Chain
    Finediam

    Triangular Shape Diamond Pendant | Lab Grown Diamond Pendant Without Chain

    ✨Product Description:- Timeless elegance meets modern sustainability with this stunning Round Lab-Grown Diamond Solitaire Pendant. Designed for those who appreciate simplicity and luxury, this pendant features a brilliant D color (colorless) and VVS clarity round-cut diamond.Shop this elegant Diamond Pendant Necklace featuring a stunning...
    From £181.44
    £526.18
    From £181.44
  • D-VVS Oval Shape Round Diamond Pendant | Lab Grown Diamond PendantD-VVS Oval Shape Round Diamond Pendant | Lab Grown Diamond Pendant
    Finediam

    D-VVS Oval Shape Round Diamond Pendant | Lab Grown Diamond Pendant

    ✨Product Description:-Timeless elegance meets modern sustainability with this stunning Round Lab-Grown Diamond Solitaire Pendant. Designed for those who appreciate simplicity and luxury, this pendant features a brilliant D color (colorless) and VVS clarity round-cut diamond .Shop this stylish Round Diamond Pendant Necklace, featuring a...
    From £181.44
    £526.18
    From £181.44
  • Triangle Diamond Pendant | Lab Grown Diamond Necklace Without ChainTriangle Diamond Pendant | Lab Grown Diamond Necklace Without Chain
    Finediam

    Triangle Diamond Pendant | Lab Grown Diamond Necklace Without Chain

    ✨Product Description:- Timeless elegance meets modern sustainability with this stunning Round Lab-Grown Diamond Solitaire Pendant. Designed for those who appreciate simplicity and luxury, this pendant features a brilliant D color (colorless) and VVS clarity round-cut diamond 💎.Shop this unique Triangle Diamond Pendant Necklace, featuring...
    From £181.44
    £526.18
    From £181.44

For Your Peace of Mind

60 Day Returns

Sustainably Made

Free UK Delivery

Certified Stones

Free Ring Resizing

Made in London

OUR INITIATIVES

Women Empowerment

Supporting local women to gain valuable skills, confidence, and opportunities through hands-on jewelry-making programs. Every participant is empowered to create a brighter future.

Tree for Every Order

For every purchase, we plant a tree to contribute to a greener, more sustainable world. Together, we’re helping the environment grow, one order at a time.

Education & Scholarships

Providing educational support and scholarships to UK students from underprivileged backgrounds. Empowering young minds to achieve their academic dreams and build brighter futures.

blogS

One Carat Diamond Ring Buying Guide

One Carat Diamond Ring Buying Guide

⚡ Quick Answer A one carat diamond ring is set with a diamond weighing exactly 0.20g — the most popular...

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How to Remove a Stuck Ring From Your Finger

How to Remove a Stuck Ring From Your Finger

⚡ Quick Answer The safest way to remove a stuck ring is to first reduce any swelling by elevating your...

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12 Proven Ways to Secretly Find Your Partner’s Ring Size

12 Proven Ways to Secretly Find Your Partner’s Ring Size

Quick Answer The most reliable way to secretly find your partner's ring size is to borrow one of their existing...

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How To Tell If A Diamond Is Real

How To Tell If A Diamond Is Real

  Wondering whether your diamond is genuinely real? The safest way to know for certain is through professional testing —...

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Moissanite vs Diamond: The Complete Buying Guide

Moissanite vs Diamond: The Complete Buying Guide

Moissanite vs Diamond: The Complete UK Buying Guide (2025) – Finediam Quick Answer Moissanite and diamonds are two entirely different...

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Choose from lab-grown diamonds (D colour, VVS clarity) or natural diamonds (F–G colour, VS–SI clarity) across solitaire pendants, halo designs, initial pendants, tennis necklaces and more.

UK Hallmarked London • Free Tracked UK Delivery • Luxury Gift Box Included • 60-Day Returns

Every piece arrives beautifully presented in a luxury Finediam gift box — perfect for gifting or a timeless addition to your own collection. Bespoke designs available — contact our Hatton Garden team for custom requests.