• Vintage Theo Fennel 18K Diamond Key Pendant Necklace
  • Vintage Theo Fennel 18K Diamond Key Pendant Necklace
  • Vintage Theo Fennel 18K Diamond Key Pendant Necklace
  • Vintage Theo Fennel 18K Diamond Key Pendant Necklace

Theo Fennell

Vintage Theo Fennel 18K Diamond Key Pendant Necklace

Vintage Theo Fennel 18K Diamond Key Pendant Necklace

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SKU: Sl1-7020746

A stunning vintage Theo Fennell diamond key pendant necklace in 18k white gold.

The pendant is one of the iconic designs from renowned British jewellery designer, Theo Fennel.

The 18K white gold key is crafted with 150 round brilliant cut diamonds, all intricately claw set. The key is attached to a diamond-encrusted bail with a clip mechanism that enables easy access and can accommodate a multitude of chain styles.

The key is suspended from a 17-inch white gold chain included in the featured price.

  • Diamonds: 0.75 carats (estimated G-I in colour with VVS clarity)
  • Pendant size: 1.2 x 3.9 cm
  • Gross weight: 11.5 grams.
  • Metal: 18K Gold (Hallmarked Theo Fennell, London, 750)

Authenticated & Guaranteed

Every piece is checked and authenticated

  • Free UK Delivery
  • Ring Re-sizing Available.
  • Rated 5 stars by our customers on Google Reviews

Details

Delivery

All orders are shipped via a secure delivery provider, and are securely padded in transit, with full tracking and insurance for your peace of mind. Alternate couriers are available by special request.

UK Delivery - NEXT DAY and EU
EU Delivery - Two Working Days > EU
USA Delivery - 3-4 days

Returns

You can return your item for a full refund for any reason by simply getting in touch to let us know within 14 days of receiving it.

Please message us or call if you have any questions!

FAQs

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FREE UK DELIVERY

On all orders. UK mainland only

AUTHENTICATED & GUARANTEED

Every piece is checked and authenticated

SUSTAINABLE LUXURY

Beautiful jewellery, no new mining or waste.

UNIQUE ONE-OF-A-KIND PIECES

Each is a rare find with its own story

Delivered Duty Paid (DDP)

The price you see is the only price you pay—no additional charges on arrival.

New Update:
All duties, taxes, and VAT are now automatically paid at checkout. Import charges are settled in advance before your order is shipped.

This faster, simpler process helps your item arrive sooner, with no surprise duty fees on delivery.

SHIPPING

All orders are shipped via a secure express delivery service and carefully padded for transit. Every shipment includes full tracking and insurance for complete peace of mind.

Shipping features include

  • Signed-for delivery before 13:00
  • Tracking number provided once your item is packed
  • Fully tracked and insured delivery

DELIVERY TIMEFRAMES 

Orders may be dispatched from the UK or Europe. Depending on the dispatch location, delivery times may be faster or extended by one day.

  • UK: 1–2 business days
  • Europe (including Switzerland): 2–3 business days
  • USA: 3–5 business daysWorldwide: 3–5 business days 

For urgent deliveries, please contact us. We’ll do our best to arrange same-day dispatch for next-day delivery where possible.

RETURNS

RETURNS You may return your item for a full refund for any reason.Simply contact us within 14 days of receiving your order. If you have any questions, please click below

CONTACT US