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Diamond Trilogy Rings

Select from our dazzling collection of three stone diamond rings. We merge exceptional value with outstanding quality, producing the finest 3 stone rings—beautifully crafted, perfectly finished and delivered Worldwide. With free shipping, 60 days returns and luxury packaging we give a complete service to complement our competitive prices and delightful range.

Bespoke158
Princess 3 Stone Ring with Crossover Shoulders
We created an exquisite 3-stone princess-cut diamond engagement ring, styled with cross-over shoulders. Embracing the graduated set of diamonds, sweeping cross-over shoulders rise to embrace the diamonds to create an incredible bespoke trilogy diamond ring.
Adele
R3D027
Trilogy Twist Engagement Ring
Discover the Adele 3 stone trilogy twist engagement ring, handcrafted and designed with a graduating three stone diamond set across curvaceous detailed shoulders and a court ring profile for added comfort. Graduated set of round brilliant cut diamonds, various carat weights and precious metals available, from 18ct white, yellow or rose gold, or 950 platinum
SD03
3 Stone Oval Blue Sapphire & Princess Diamond Ring
Enjoy the beauty of the three stone blue sapphire and diamond engagement ring. Featuring an intense Blue Sapphire with outer Princess cut diamonds within an elegant Trilogy three stone ring design. Trilogy design. Central oval blue sapphire. Outer Princess cut diamonds. Central 7 x 5mm oval blue sapphire. Outer 3mm princess cut diamonds. Exceeds 1ct total weight. Wedding ring fit. 0.30cts diamond weight. G colour SI1 clarity. Wood boxed. Gift packaged. 3 weeks delivery.
SD01
3 Stone Diamond & Sapphire Engagement Ring
This elegant and captivating blue Sapphire and Diamond three-stone engagement ring sparkles with a natural blue Sapphire at the centre of the ring, measuring 6mm, and weighing over 0.80 carats. Either side, two sparkling G colour SI1 clarity diamonds complete the ring, available in a selection of precious metals, individually crafted to order. Place your order online or contact our showroom team. Claw setting. Central 6mm 0.80cts Blue Sapphire. 0.50cts total carat weight of diamonds (4mm each). G colour SI1 clarity. Overall weight 1.30cts. D shaped solid band, with tapering shoulders. Beautifully presented and available to collect or with free delivery to most locations.
Georgiana
R3H003
Three Stone Ring with Diamond Shoulders
Georgiana dazzles with a spectacular display of diamonds. This distinctive three-stone diamond ring is perfect for an engagement or for an anniversary. We hand select each round brilliant cut diamond for maximum brilliance, enhanced by channel set diamond shoulders for additional sparkle. The Georgiana three stone engagement ring comes in 3 carat weight options. Choose from 0.75cts, 1.00cts and 1.25cts including the shoulder diamond weight. Each round brilliant cut diamond is equally sized, held above Princess cut diamonds channel set into each shoulder. The band is flat court shaped, with a curved comfort fit which can be matched perfectly alongside a wedding ring.
Trieste
R3D001
3 Stone Claw Set Diamond Engagement Ring
Experience the dazzling show from three beautifully matched diamonds in this exceptional three stone trilogy engagement ring set with round diamonds.
Ciel
R3D022
3 Stone Wedding Ring Friendly Trilogy Ring
3 stone round brilliant cut diamond trilogy style ring with wedding ring friendly fit and graduated diamond sizes. A contemporary 3 stone round diamond trilogy style ring with graduated diamonds. Each diamond is held within a very modern claw setting with built-in wedding ring friendly fit. The style has been completed with beautifully styled court profile shoulders and band. Wedding ring available to order separately. 3-4 weeks for completion.
Apex
R3G001
3 Stone Tension Set Princess Cut Diamond Ring
Tension set princess cut diamond engagement ring precision set with 0.26 carats of princess cut diamonds with crossover shoulders. 3 stone princess cut diamond engagement ring featuring a set of perfectly matched, precision set princess cut diamonds. 0.26 carats total diamond weight. Fine, graceful slim crossover shoulders embrace either side of the setting. Please allow 4 weeks for this charming ring design. Beautifully boxed and gift packaged.
TRL1072
R3G002
3 Stone Tension Set Round Diamond Ring
3 stone tension set round diamond engagement ring, with precision set diamonds between modern tapering crossover shoulders. Ultramodern 3 stone diamond ring design. Precision set matched round brilliant cut diamonds, equally sized, held within the shoulders of this cutting-edge design. Created with high colour and clarity diamonds with a total diamonds weight of 0.55 carats. Please allow 4 weeks for this design to be completed. Wood boxed and gift packaged.
Paloma
R3H001
3 Stone Emerald Cut Diamond Engagement Ring
Sublime 3 stone emerald cut diamond engagement ring with attractive claw settings to hold 3 equally sized diamonds within a wedding ring friendly design. Three Emerald cut diamonds. Equally sized diamonds. G colour VS1 clarity. Choice of carat weight options. 18ct White Gold, Yellow Gold, or Platinum. Supplied boxed. Gift packaged. 3-4 weeks for delivery.
Neve
R3H002
3 Stone Graduated Emerald Cut Diamond Ring
Modern classic 3 stone graduated emerald cut diamond engagement ring featuring wedding ring friendly setting and open shoulders. Beautiful modern classic styling across this wedding ring friendly setting. 3 Emerald cut diamonds 1 carat in weight, span this elegant graduated ring style. Centrally the 0.50 carats 6 x 4mm centre diamond is bordered by 0.25 carat 4 x 3mm emerald cut diamonds above each shoulder. The ring is created within around 3-4 weeks before being shipped, beautifully boxed and securely packaged.
Blossom
RLD006
0.16cts Sweeping 3 Stone Diamond Ring
0.16 carat sweeping 3 stone diamond ring, with beautifully set round brilliant cut diamonds across a delicate modern ring design. Graceful trailing stems curve outwards to hold each diamond. Contains three varying diamond sizes of round brilliant cut diamond. Rub over setting. Total diamond weight approx. 0.16 carats. This ring design typically takes around 3 weeks to produce, and is beautifully finished with care and attention before delivering beautifully boxed to your door.
Simplicity
R3D024
Graduated Full Bezel Set 3 Stone Ring
Classic full bezel set 3 stone graduated round brilliant cut diamond engagement ring. Three stone design. Traditional graduating set of diamonds, with larger central diamond. Choice of 0.45cts or 0.65cts carat weights. G colour SI1 clarity. Wood boxed and gift packaged. Approx. 3 weeks for delivery.
Clover
RLD012
Rose, White and Yellow Gold Trilogy Stacking Rings
3 colour diamond stacking rings, with diamonds set into elegant trilogy clusters across 3 colours of rose, yellow and white gold. 18 carat rose gold, yellow gold and white gold rings can be worn as petite rings individually or combined as a set of stacking rings. Total diamond weight 0.36 carats. Probably the most definitive trilogy ring set, with 3 colours, each holding 3 diamonds within a 3 ring set. This design can be ordered in same colour combinations where required. Please allow 3-4 weeks for completion.
Curl
R3D025
3 Stone Diamond Ring Curled Bezel Setting
Unique and modern 3 stone diamond engagement ring with a curled triple bezel setting and plain tapering shoulders. 3 matching round brilliant cut diamonds within a triple curled setting . 0.30 carats in total diamond weight. G colour SI1 clarity. Simple and contemporary design. Available in 18 carat White Gold, 18 carat Yellow Gold and 950 Platinum. Supplied wood boxed and gift packaged, approx. 3-4 weeks timescale.
Deco
R3D023
Art Deco 3 Stone Engagement Ring
Exceptionally sophisticated Art Deco three stone engagement ring featuring a Princess cut central diamond edged by sparkling baguette cut diamonds. This distinctive vintage-inspired engagement ring offers a unique opportunity for a distinctive three stone setting with incredible charm and attention to detail. Our Deco design features unique, and simple Art-Deco styling across both the setting (see side view for classic Art-Deco fan shaped motif) and diamonds. We specifically use a Princess cut with baguette cut diamonds to ensure consistency and subtle sparkle from this finely crafted ring design. Please allow 3-4 weeks for completion. Beautifully presented as shown.
Victoria
R3D003
Victoria Traditional 3 Stone Diamond Engagement Ring
The Victoria three stone engagement ring combines modern craftsmanship with traditional styling. We offer you the opportunity to commission an exceptional three stone ring design, set with beautifully matched round brilliant cut diamonds. With many diamond carat weight options, this traditional classic design features claw settings to protect a matched set of round brilliant cut diamonds, graduating in size. Smaller outer round brilliant cut diamonds are placed either side of the larger central diamond. Open shoulders elegantly taper from the court comfort fit band. Please allow 3-4 weeks for this ring to be created. Beautifully boxed and packaged as shown below.
Joy
R3D019
Classic 3 Stone Claw Set Diamond Ring
Classic 3 stone diamond engagement ring with claw set equal sized round brilliant cut diamonds Claw set, classic design, created around a matching set of 3 round brilliant cut diamonds. Fine open tapering shoulders adjoin the setting offered in a choice of carat weight options. Typically offered in G colour and SI1 clarity within 3-4 weeks of ordering. A lovely classic design with a timeless feel.
Sascha
R3D026
Sascha 3 Stone Diamond Engagement Ring
Distinctively styled, the Sashca three stone engagement ring is expertly crafted for the perfect finish. Sweeping shoulders embrace the trilogy setting which features three matching round brilliant cut diamonds. Sascha is an exceptional three stone diamond engagement ring. Available in 18ct White Gold, 18ct Yellow Gold, and 950 Platinum. Uniquely styled and exclusive to Serendipity. This ring design arrives boxed and gift packaged. Please allow around 4 weeks for craft.
Nicole
R3D018
Modern 3 Stone Diamond Trilogy Style Ring
Sleek, modern 3 stone diamond ring design, set with graduated round brilliant cut diamonds across crossover shoulders. A modern 3 stone graduated diamond ring design, set with matching round brilliant cut diamonds. Small round claws hold the precision set diamonds, between sleek, ultramodern crossover shoulders which narrow towards the setting. This design takes around 3-4 weeks to complete with your chosen diamond weight. Wood boxed and securely packaged.
Danielle
R3D017
Oval & Round Diamond 3 Stone Ring
One of our stunning three stone diamond rings featuring oval and round brilliant cut diamonds. Central oval diamond. Outer round brilliants. Claw setting. D shaped profile. Choice of diamond weights. Available in 18ct White Gold, Yellow Gold and Platinum. Solid wood box. Gift packaged
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. Exquisitely elegant 3 stone princess cut diamond engagement ring. Choose from many different carat weight options. We claw set each Princess cut diamond within an elegant, fine setting, above slender shoulders. Hand crafted, we create each ring individually within 4 weeks.
Shelley
R3D006
Straight 3 Stone Princess Cut Diamond Ring
3 equally sized princess cut diamonds, set within rounded claws in this modern, and beautifully simple trilogy ring design. Elegantly styled. Equal diamond size. Claw set tapered shoulders. Court ring profile. Available in 18ct Yellow Gold, 18ct White Gold and 950 Platinum. Wood boxed, gift packaged. Three weeks delivery.
Roma
R3D008
Roma 3 Stone Round Diamond Ring
The Roma diamond engagement ring showcases a Trilogy arrangement of three equally-sized diamonds in a choice of carat weights. Choose from a selection of different precious metals. This exceptional ring design is available set with natural or lab-grown diamonds. Please contact us for a tailored quote set with lab-diamonds. We craft each ring individually to order over a timescale of approximately 4 weeks. Enjoy secure delivery or showroom collection, presented in a luxury Serendipity Diamonds box with an additional slimiline pocket box included—perfect for a surprise proposal. Stylish design. Claw set with three equal-sized diamonds. Straight, open shoulders. Court ring profile. Available in 18ct Yellow Gold, 18ct White Gold, and 950 Platinum. Wood boxed, gift packaged. Approx. 3 weeks delivery.
Isabella
R3D009
Three Stone Crossover Diamond Ring
Striking three stone crossover diamond ring set with 3 equally sized diamonds set within a modern crossover precision set design. Modern precision set design, with crossover styling. 3 matched, equally sized round diamonds in a range of carat weight options are precision set within this fabulous ring design. Choose from 3.5mm (0.50 carat option) 4mm (0.75 carat option) and 4.5mm (1 carat option) diamonds with each ring being scaled to the diamond sizes. 1 carat option shown in our image. Please allow around 3-4 weeks for completion.
Brooklyn
R3D010
Graduated 3 Stone Round Trilogy Ring
One of our most elegant 3 stone diamond rings set with round brilliant cut diamonds graduating in size. Elegant design. Claw set with three graduated diamonds. Solid shoulders. Crossover Lucida style design. Court ring profile. Available in 18 Carat Yellow Gold, 18 Carat White Gold and 950 Platinum. Wood boxed, gift packaged, approx. 3 weeks delivery.
Nadia
R3D011
3 Stone Oval & Round Diamond Engagement Ring
Beautiful 3 stone diamond ring, set with central oval brilliant diamond between 2 outer round diamonds above solid shoulders. Three stone design. Claw set oval cut diamond and two equally sized round brilliant cut diamonds. Further options available. Solid shoulders. court shape ring profile. Available in 18ct Yellow Gold, 18ct White Gold, and 950 Platinum.
Addison
R3D012
3 Stone Trilogy Diamond Cluster Ring
The Addison three stone trilogy cluster ring dazzles with a clustered arrangement of three round brilliant cut diamonds held in triangular formation between stylish sweeping shoulders flowing from a wider band. The ring is available in a wide choice of precious metals with three carat weight options to vary diamond sizes. Optional carat weight for this 3 stone trilogy cluster design. Exquisitely matched round brilliant cut diamonds. Narrow shoulders with wave styling flow from the wider 3.5mm band. Low setting height and unusual modern design. Approx. 3 weeks delivery. Wood boxed and presented as shown in our example below.
Camila
R3D013
3 Stone Twist Diamond Engagement Ring
Uniquely styled 3 stone twist diamond engagement ring with 4 claw settings across a simple and innovative ring design. 3 stone trilogy style ring design, with slender shoulders and unique twist settings to hold 3 beautifully matched round brilliant cut diamonds. The ring is formed as a single piece in any metal choice and offered in a range of carat weight options, with beautifully white, eye clean diamonds (G colour SI1 clarity) Timescale is around 3-4 weeks for completion prior to shipping.
Dawn
R3D014
3 Stone Graduated Princess Diamond Engagement Ring
Beautiful three stone diamond engagement ring with four claws and set of Princess cut diamonds graduating in size, above a plain court profile band. This ring design is an alternative to R3D005 set with graduating sizes of square princess cut diamonds. Each diamond is held within four claws above a slender tapering shoulders. 3-4 weeks for completion. Wood boxed and gift packaged.
Avery
R3D015
3 Stone Emerald Cut & Round Diamond Engagement Ring
3 stone emerald cut and round diamond trilogy style engagement ring radiating with brilliance and subtle elegance across a modern design. Emerald Cut Central diamond. Outer round brilliant cut diamonds. Claw settings. Court profile band. Choose from 3 weight options. Supplied boxed and gift packaged. Available in 18ct Yellow Gold, White Gold and Platinum.
Melissa
R3D016
Simple Claw Set 3 Stone Diamond Engagement Ring
Modern classic, simple design 3 stone round diamond engagement ring with claw setting. 3 stone graduated diamond ring design, with a simple modern setting. 3 matched round brilliant cut diamonds are held within claw settings above slim, tapering shoulders with a court profile band. 3-4 weeks for completion. Beautifully packaged as shown in our example. Offered in various carat weight options for personalisation.
Ruby
R3S01
Ruby and Pear-Shaped Diamond 3 Stone Engagement Ring
Exquisitely crafted with a natural round brilliant cut Ruby, this elegant three stone ring is brought to life with matching pear shaped diamond shoulders and benefits from a wedding ring friendly setting. This exceptional engagement ring design benefits from an intense red natural ruby held between pear shaped brilliant cut diamond shoulders with the elegant contrast of a rose gold setting against the choice of the Platinum or 18ct White Gold band.

3 Stone Engagement Rings 

From traditional three stone diamond rings to modern, innovative designer rings, we have a design to suit most tastes, styles and budgets. Browse through an extensive collection—each ring is created to order. Each type can be made in alternative precious metals ranging from luxurious 950 Platinum to ethical Fairtrade 18ct Gold. We choose the most refined natural diamonds, handpicked and matched for exceptional colour, clarity and cut.

Men's 3 Stone Rings 

Some might think it strange for a man to wear a three-stone diamond ring. Depending on the ring design, three diamonds can be included within a wedding ring with significant effect. Other styles of 3 stone diamond rings include the traditional signet ring, which could be set with three diamonds.  Read more about Men's 3 stone rings on our blog. 

Bespoke Design

If you're looking for a truly unique three stone diamond ring, a bespoke design is your best bet. Using CAD design technology, the traditional 3 stone ring can be rejuvenated and given a new lease of life with extraordinary effect. Swirls, twirls and sweeping curls add movement and flair with the impact of sparkle from 3 beautifully faceted round brilliant cut diamonds. 

Shaped Wedding Ring 

An additional service from Serendipity is to craft a perfectly fitted wedding ring to your Trilogy engagement ring. This service ensures a perfectly fitting ring to almost any ring setting, but the engagement ring always influences the shape.

All commissions arrive in pristine white Serendipity packaging with presentation and pocket box for the ultimate finishing touch. Purchase online in your chosen currency. Outside the UK, all shipping and duty will be included before payment, ensuring a swift and easy delivery upon completion. Talk to us today for additional advice by phone, email or live chat or message.

Three stone diamond rings
3 stone diamond rings
Trilogy diamond ring

Serendipity Diamonds Ltd. Reg. England No. 5972040 VAT No. 909972870 Registered office: 186 High Street, Ryde, Isle of Wight. PO33 2PN, England