Portia 18ct White Gold Graduated Claw Set Princess Cut Diamond Necklace -

£30,966 inc VAT

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Portia is a stunning diamond tennis necklace, which is an absolute staple of a jewellery collection. These designs supplied by Catherine Best have a gorgeous flexible link construction so you can be confident the necklace will shape and sit on your neckline exquisitely.

Entirely created in beautiful 18 carat gold this necklace is fitted with an easy to use and secure push clasp which is accompanied with a figure of eight catch for added security. For the carat weight you have 2 designs to choose from which consist of a 15ct and a 20ct option depending on your personal taste. The princess cut diamonds used, which are claw set, are a truly excellent G/H colour and a Si clarity.

N.B. The standard length for this Necklace is 42.5cm however we can procure a specific length so please speak to us for further details.

  • Gemstone: Diamond
  • Dimensions: Necklace Length 42.5cm
  • Precious Metal: 18ct White Gold
  • Diamond Specification: All G-h Colour Si1/2 Clarity
  • Product Code: Idpcnecs15

Delivery Information

All jewellery items are despatched from our head office in Guernsey. Please note that deliveries will arrive with the relevant customs declaration showing a description and value of the enclosed item/s. If the item is intended as a surprise we are always happy to deliver to an alternative delivery address.

Delivery Option Cost
UK Jewellery orders FREE
UK Sculpture orders* FREE
International Jewellery Orders £10
International Sculpture Orders £35

*Some UK Highlands & Islands postcodes are charged at £7.50 for orders under £250.

  • Fast Recorded delivery on all orders
  • Goods placed before 11am are dispatched the same day
  • Overseas orders welcome

Free Returns On All Jewellery

We want you to be able to order with confidence. If your purchase is not quite as you expected we will cover the postage costs of returning any jewellery to us.


Lifetime Warranty

All of our jewellery is made using quality materials to the highest possible standard, with each piece carefully inspected once completed. We are happy to offer free repairs on any issues caused by a manufacturing defect.


45 Day Returns

If you are not completely satisfied with your purchase from Catherine Best, you can send your order back to us within 45 days and we will send you 100% of the purchase price back, no questions asked.*


Free Ring Resizing

We understand that accurately measuring for your perfect ring can be difficult, which is why Catherine Best offers a free ring resizing service. We would be delighted to complete one resize, free of charge, within the first year of your purchase.**


*In order to qualify for a refund the item/s from your order must be in perfect condition. Bespoke items are non-refundable.

**For ring re-sizes where a change of over 3 sizes is needed a charge may be levied to cover the cost of the resizing work.


Please see our returns policy for full details including how to return an item.