18ct White Gold Oval Sapphire and Diamond Cluster Engagement Ring


Timeless sapphire and diamond cluster engagement ring crafted in 18ct white gold. This classic design features an oval-cut royal blue sapphire centre stone surrounded by a border of round brilliant-cut diamonds set in a petal shape. The gently tapered plain gold band draws the eye straight to the sparkling gemstones.

The sapphire weight is 0.85ct minimum. The total diamond weight is 0.70ct, all with a minimum colour G and a minimum clarity VS. The ring is 13.8mm wide at the top and 2.2mm wide at the base.

Details and finger sizes for our current stock pieces are shown below. Please contact us if you require an alternative size or have other specific requirements.

  • Serial Number: 2407857
    Ring sizeO
    Colour - ClarityF-G VS
    Carat Weight0.90ct | 0.70ct
  • Serial Number: 2407859
    Ring sizeO 1/2
    Colour - ClarityF-G VS
    Carat Weight0.90ct | 0.70ct
  • Serial Number: 2577685
    Ring sizeN
    Colour - ClarityF-G VS
    Carat Weight0.90ct | 0.70ct

Delivery information

At Pravins we believe shopping online should be as easy and convenient as visiting one of our stores. We provide the following range of delivery options for online orders:

  • Free collection from any Pravins boutique.
  • Free delivery to UK mainland addresses, fully insured and tracked using Royal Mail Special Delivery.
  • International shipping at either £10 or £15, fully insured and tracked using Royal Mail International Signed For.

For detailed information about deliveries please click here.

We are happy to offer a full refund or an exchange (subject to certain conditions), within 14 days of the date you receive your order. Please note that items which have been adjusted, personalised or specially ordered cannot be returned.

For detailed information about returns click here.

Size Guide


Our store teams will be happy to assist you in measuring your finger size to help ensure your new ring is a good fit for you.  If you are not able to visit a store, please refer to our ring size guide.

If you are buying a gift and don’t know the finger size required, that’s not a problem.  Most of our stock pieces are in the most popular sizes and can usually either be adjusted after purchased or exchanged (unworn and subject to our normal return conditions) for a complete new ring in the correct size.

Bracelets and Necklaces

Our standard bracelet length is 19cm.  Chains and necklaces are generally 42cm or 45cm long, other lengths may be available, please contact us.



This piece has either been carefully designed and manufactured by Pravins or sourced by our buyers from a small and carefully-vetted supplier base. We pride ourselves on the highest quality standards, with an eye for detail and design that has been honed over five decades.



Select colour from swatches below