Autumn Sale Now On
Up to 20% Off Everything
Category - Three Stone Engagement Rings

Three Stone Engagement Rings

Celebrate your journey together with a three stone engagement ring that tells your story. Our trilogy engagement rings are thoughtfully designed to represent your past, present, and future as a couple. They’re a timeless symbol of your love. Each ring features a stunning centre diamond, beautifully complemented by side stones that enhance its brilliance and meaning. Whether you prefer a classic round cut, an elegant oval, or something uniquely yours, we offer a range of diamond shapes and metals to ensure you have the perfect proposal. Explore our collection of trilogy engagement rings to say hello to your β€œforever.”

Filter by shape & metal
swatch
ShapeNone Selected
swatch
MetalMixed
Sort by & Item Per Page
Sort ByPopularity
Result per Page48 items
All our diamonds are naturally mined and ethically sourced
At Purely Diamonds, we believe in the magic of natural diamonds. Formed over billions of years and found naturally in the ground, these precious gems add to the story of your own diamond journey. We also make sure all our diamonds are conflict-free as the ethical mining and sourcing is very important to us.
If you're looking for lab-grown diamonds, get in touch with us for options.
Express Delivery RangeDiscover a huge range of jewellery delivered to you in just 2-3 days.

Discover more about Three Stone Trilogy Engagement Rings

If you're looking for a three stone trilogy engagement ring, then look no further than our complete collection. Whether it's a search for rose gold, white gold, yellow gold or platinum, the ring for you is here at Purely Diamonds.

No matter the shape of your centre stone there are numerous options to choose from for your side stones or ring design meaning you're just one step away from the "Yes" to your proposal.

The popularity of three stone engagement rings - or trilogy rings as they are also known has continually grown for decades. Whether you're opting for a prominent centre stone with a supporting stone either side, or three stones of equal measurements, then our magnificent collection holds the ring for you.

It is assumed within the jewellery industry that each diamond is meant to symbolise the past, present and future of your relationship - a sparkling tribute to your commitment to one another.

Be inspired by our creations
Instagram Video Poster – #18329316631224113
Indulge in everlasting brilliance this weekend with up to 25% OFF exceptional diamond pieces, offered only in our Autumn Sale until midnight on Sunday.✨
Instagram Video Poster – #18057273461402557
Lab grown or natural, our diamond tennis bracelets embody timeless elegance in every size and setting. πŸ’«
Instagram Image – #18065043449255631
A sneak peak of our elegant and finely crafted Morse Code diamond rings available to purchase very soon.✨ #diamondrings #morsecode #jewelry #jewellery #ring #ootd
Instagram Video Poster – #17941049772058057
Oval diamonds continue to dominate and are so far the quintessential choice for an engagement ring in 2025.✨
Instagram Video Poster – #18374540491198971
Delighted to share this beautiful trio which have just been added to our curated engagement ring collection.✨✨✨ 1) Elongated cushion with half moons 2) Emerald cut with tapered baguettes 3) Round brilliant with pears