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Ursa - R1LS003C

Ursa Marquise Twist Diamond Engagement Ring

Our unique, signature Marquise twist engagement ring. The Ursa engagement ring flows effortlessly from shoulders through to the embrace of a bezel setting to surround the Marquise diamond in a distinctive twist design.

Ursa Marquise Twist Diamond Engagement Ring Main Image


$2,432.07
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Flowing Part Bezel set Marquise cut Diamond Solitaire Engagement Ring

Finalist in the CanadaMark engagement ring design competition


The 'Ursa' Engagement Ring is uniquely styled and exclusively available from Serendipity Diamonds. Choose your ideal ring combination from our menu to personalise the ring by Diamond size, whiteness and clarity in your chosen precious metal. This exquisite design can me crafted in a choice of 950 Platinum, 18ct White Gold, 18ct Rose Gold, 18ct Yellow Gold and further Fairtrade Gold options. This brand new Engagement Ring style has been introduced to our collection after making finalist in a national design competition in 2016 for the CanadaMark Diamond brand. The styling of this Marquise solitaire ring deviates from traditional styles. Held within a partial bezel setting, the Diamond rests diagonally within a flowing setting that sweeps seamlessly from a comfortable court shaped band. We handcraft each ring over four weeks through a time honoured, traditional process merging the skills of casting, mounting, setting and finishing to arrive at the final commission, mirror polished to perfection. We deliver worldwide by secure delivery across the UK and Ireland, to Europe, USA, Canada and Australia. Each ring arrives beautifully packaged in a pristine white presentation box, accompanied by our complementary pocket box, ideal for a surprise proposal. We include any tax and duty before payment for an easy, no-hassle purchase and we are happy to guide you all of the way from your initial enquiry through to the delivery of your finished commission. 

Photographed in 100% ethical Fairtrade 18ct White Gold, the Ursa design reveals the impact of a diamond 0.80cts in weight. 

Fairtrade Gold Available to US Clients


Clients within the USA can now order commissions created in Fairtrade Gold. Offered in both white and yellow 18ct variations, this 100% ethical, traceable precious metal adds even greater value to any purchase. We are one of the only jewellers currently charging no additional cost for this ethical option. Artisanal miners in some of the world's poorest countries receive a fair price for their gold, and this basically means a better future. Most of our jewellery can be created in Fairtrade Gold available shipped directly to the USA. 




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)