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Infinity - Offer 06

0.43ct Infinity Designed Engagement Ring

Infinity designed engagement with double shoulders and a demi-flush setting.



$1,541.42
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0.43cts Infinity Diamond Engagement Ring

Our infinity diamond engagement ring is perfect for those looking for something a little unconventional. A 0.43ct round brilliant cut diamond is set within a demi-flush setting, which sits low to the finger and making it the perfect ring for everyday wear. Not only is your stone certified by the International Gemological Laboratory (IGL), but it actually has the measurements of a full half-carat diamond. Your diamond has also been graded K colour and SI1 clarity by the IGL, making it both a beautiful and sizeable stone. The double split shoulders on this design create a contemporary design, gliding down the finger into a perfect infinity-like design. This engagement ring is at an unrepeatable special offer price. Created in 950 platinum and in a finger size O1/2, your ring is available for immediate dispatch. It will be delivered straight to your door by a secure courier, presented in our beautiful bespoke packaging.

Certified Diamond Standards. 


With every certified diamond from Serendipity, we assure all clients of reputable diamond grading. We work with the most trusted laboratories including the Gemological Institute of America (GIA) and International Gemological Institute (IGI). All diamonds meet strict standards with no more than nil or slight fluorescence for your total reassurance. 

Do you need a finger size tool?


Order our handy Multisizer to estimate your correct finger size. All of our Multisizers include UK sizes and are fully refunded once your final order is placed. Alternatively order in your local US finger size. 


Order your UK ring sizer



Ask us any questions?


We love questions and we're happy to help. Whether you need specific ring details or general advice on custom-made rings, diamond color or clarity or customization. We offer expert guidance and advice on all aspects of your engagement ring with impartial no-obligation help. 


Get in touch





Discover what's inside the box


When we send your parcel to USA, we securely wrap the secure outer box in a plain white outer wrapping. Inside you will discover a solid outer box containing a presentation box with engagement ring with an additional pocked ring box. All documents including certification are enclosed within the additional document wallet located in the separate section of the main box. We pride ourselves on luxurious packaging as part of your experience. 


See our information page on packaging and delivery


View diamond sizes on the finger


Use our handy diamond size tool to view diamond sizes on the finger. Choose your diamond shape, carat weight and skin tone to get a better idea of how different carat weights appear when set into an engagement ring. We have a wide variety of alternative diamond shapes available within our engagement ring collection. 

Showing the main box, with presentation box and pocket ring box, alongside the document section for engagement ring purchases. 


Relax with 100% reassurance on all purchases 


Relax when you purchase with the Serendipity Diamonds team. All of our US clients receive the same benefits as all other clients. With free shipping, 60 days returns, a lifetime warranty and free size adjustment where required, we make your purchase as easy as possible. Our website will also include all duty and taxes before payment meaning you can place your order, await the final commission and sign for it upon arrival. All deliveries are sent fully insured by FEDEX with your parcel's tracking number sent following despatch. Most deliveries take 1-2 days following completion. 


A note on diamond and gemstone proportions. 


At Serendipity Diamonds, we strive for the highest possible standard for all aspects of your purchase. Most of our diamonds are graded by the Gemological Institute of America (GIA) and possess a minimum cut grade of 'very good.' This ensures optimum brilliance owing to better proportions. We also specialize in ideal cut diamonds with excellent cut, polish and symmetry, provided by request and quoted for accordingly. We are also suppliers of CanadaMark diamonds, offering full traceability for any person who demands to know the origin of their diamond. Our natural coloured gemstones including pink sapphire, blue sapphire, emeralds and rubies are cut to the highest standards from conflict-free, trusted suppliers.



Enjoy total reassurance with the following advantages.....


Enjoy complete before and after-sales support

We offer 60 days returns (see notes)

Free Worldwide* shipping with luxury packaging (see notes)

Free insurance valuation  (see notes)

Free ring size adjustment  (see notes) 

Lifetime warranty (see notes)

Independent diamond certificate (read details)

Minimum standard of a 'very good' diamond cut 

Finance available subject to conditions (further details)