Trinity - R3D005
3 Stone Princess Diamond Engagement Ring
Our most popular Princess cut 3 stone diamond engagement ring. The Trinity engagement ring features three Princess cut diamonds. Graduating in size, each Princess cut offers amazing sparkle. Graded G colour and SI1 clarity, enjoy brilliance and high clarity from your Princess Trilogy ring.


Trinity - R3D005
3 Stone Princess Diamond Engagement Ring
Our most popular Princess cut 3 stone diamond engagement ring. The Trinity engagement ring features three Princess cut diamonds. Graduating in size, each Princess cut offers amazing sparkle. Graded G colour and SI1 clarity, enjoy brilliance and high clarity from your Princess Trilogy ring.
Trinity Three Stone Princess Cut Engagement Ring
The Trinity Engagement Ring dazzles with graduating sizes of Princess cut Diamonds. Flowing effortlessly from a slim, court shaped band, three perfectly matched square Princess cut Diamonds rise in harmony within elegant claw settings. Available in a range of carat weight options, each commission gets meticulously crafted around your requirements and budget—offered in a choice of precious metal options. Our standard Diamond Colour and Clarity (G SI1) ensure whiteness and brilliance from expertly matched Diamonds. Contact us for alternative options for other colour and clarity grades. Each commission takes between three and four weeks—completed with a mirror polish and elegantly boxed in luxury packaging.
Responsibly sourced precious metals and Fairtrade Gold
An important part of our work involves the use of responsibly sourced precious metals and gemstones. As such, we only work with re-cycled, ethically sourced Gold, Platinum and Silver. In addition, we offer the option of Fairtrade Gold across most of our jewellery designs available upon request.
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
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.
Get help with ring size.
Get help finding out the perfect ring size with our ring size service available with any ring purchase from Serendipity Diamonds.
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.
This ring design is available with a lab-grown diamond.
Learn more about lab-grown diamonds
This ring design is now available with a lab-grown diamond. Please contact us noting your design preference for a detailed quote set with a lab-created diamond. Please note that our lab-grown diamond engagement rings are identical in appearance and quality to our natural diamond options with a difference in cost working out to between 50% - 75% less than our natural diamond equivalent rings. Our lab-grown diamonds are typically available in higher colour clarity and cut grades and include full certification as shown below.
Example of a lab-grown diamond available across our jewellery collection.
For your complete reassurance enjoy.....
Expert help and guidance
60 days returns on engagement rings
Free delivery across USA with tax and duty included
Luxury packaging
Free slimline pocket box
Lifetime warranty
Free insurance valuation
Recent Customer Reviews
Date | Product | Score | Customer Comment | Supplier Response |
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09-Nov-2019 |
Trinity - R3D005. 3 stone, Princess cut diamond engagement ring, created in Platinum, 0.70cts
|
Service rating : Perfect. Only word needed Anonymous |
Service rating : A very big thank you for taking the time to leave a review.We are very much humbled by this. Our whole team would ... | |
24-Jan-2019 |
Trinity - R3D005. 3 Stone Princess Cut Diamond Engagement Ring Created in 950 Platinum
|
Service rating : Fantastic experience from start to finish.. Anonymous |
Service rating : Thank your friend first of all for recommending you and thank you for taking the time to leave such a lovely revi ... | |
15-Apr-2018 |
Trinity - R3D005. 3 Stone Princess Cut Diamond Engagement Ring. Created in Platinum
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Excellent customer service. Really put my mind at rest when making such a large purchase of an engagement ring. The resizing service is also excellent and so straight forward. Anonymous |
No Comment | |
28-Apr-2016 |
Trinity - R3D005. 3 Stone Princess Cut Diamond Engagement Ring. Created In 950 Platinum
|
Service rating : One of the best customer service experiences I have had. I had a number of queries to which they always responded quickly. The timescales were kept to and they kept me informed the whole way. Would highly recommned, cannot praise them enough. Anonymous |
No Comment | |
21-Jan-2015 |
Trinity - R3D005. Graduated Three Stone Engagement Ring, created in 18ct White Gold
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Service rating : Very helpful over the phone, describing the product very accurately. V prompt delivery. Anonymous |
HI Simon, many thanks for taking the time to leave your feedback, this is very much appreciated. I am glad that our team was able ... | |
30-Jul-2013 |
Trinity - R3D005. Graduated three Stone Princess Cut Diamond Engagement Ring.
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Perfect, the new fiancé loves the new ring +++++ Anonymous |
No Comment | |
28-Feb-2013 |
Trinity - R3D005. A Graduated 3 Stone Diamond Engagement Ring
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Service rating : All the staff were incredibly helpful and responsive. A truly great shopping experience. Thank you. Anonymous |
No Comment | |
27-Jun-2012 |
Trinity - R3D005. A three stone Princess Cut platinum diamond ring.
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Service rating : I was exceptionally happy with all aspects of your companies process. You were very professional yet rather personal also. Thank you. Anonymous |
No Comment | |
30-Mar-2012 |
Trinity - R3D005. A Three stone Princess Cut Diamond Engagement Ring
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When I visited from London to look at their collection, I felt very welcome and at ease in an environment I knew absolutely nothing about. Mark, at no point, was trying to sell me anything, he was simply trying to be as helpful as possible and give me the best possible advice. Within a few a minutes... Anonymous |
No Comment |










