Platinum Round Brilliant Cut 3-Stone Engagement Rings

Celebrate your love story with ComparetheDiamond.com’s exquisite Platinum 3-Stone Engagement Rings. Featuring dazzling round brilliant-cut diamonds and the enduring beauty of platinum, these rings are designed to symbolise your past, present, and future together. A perfect blend of elegance and meaning, a 3-stone ring is a timeless choice for those who cherish every moment of their journey.

Diamond 3 Stone Engagement Ring Plain Polish Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Plain Polish Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-0133-2303

Prices from £1,284 High St. £2,179 Our Price: £1,153
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Plain Polish Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Plain Polish Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-0133-1019

Prices from £1,216 High St. £2,050 Our Price: £1,085
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Plain Polish Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Plain Polish Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-0133-1022

Prices from £1,395 High St. £2,387 Our Price: £1,264
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Plain Polish Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Plain Polish Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-0133-1003

Prices from £1,424 High St. £2,443 Our Price: £1,293
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Plain Polish Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Plain Polish Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-0133-1011

Prices from £1,513 High St. £2,611 Our Price: £1,382
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Plain Polish Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Plain Polish Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-0133-1014

Prices from £1,454 High St. £2,499 Our Price: £1,323
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Plain Polish Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Plain Polish Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-0133-1015

Prices from £1,424 High St. £2,443 Our Price: £1,293
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Plain Polish Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Plain Polish Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-0133-1016

Prices from £1,424 High St. £2,443 Our Price: £1,293
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Plain Polish Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Plain Polish Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-0133-2300

Prices from £1,509 High St. £2,603 Our Price: £1,378
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Plain Polish Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Plain Polish Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-0133-2308

Prices from £1,539 High St. £2,659 Our Price: £1,408
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Plain Polish Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Plain Polish Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-0133-2310

Prices from £1,533 High St. £2,647 Our Price: £1,402
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Plain Polish Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Plain Polish Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-0133-2309

Prices from £1,533 High St. £2,647 Our Price: £1,402
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Plain Polish Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Plain Polish Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-0133-1010

Prices from £1,721 High St. £3,004 Our Price: £1,590
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Plain Polish Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Plain Polish Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-0133-1009

Prices from £1,751 High St. £3,060 Our Price: £1,620
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Plain Polish Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Plain Polish Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-0133-1006

Prices from £1,721 High St. £3,004 Our Price: £1,590
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Plain Polish Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Plain Polish Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-0133-1020

Prices from £1,721 High St. £3,004 Our Price: £1,590
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Plain Polish Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Plain Polish Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-0133-1001

Prices from £1,833 High St. £3,214 Our Price: £1,702
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Plain Polish Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Plain Polish Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-010103

Prices from £2,762 High St. £4,969 Our Price: £2,631
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Micro Pavé Diamond-Set Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Micro Pavé Diamond-Set Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-010403

Prices from £3,103 High St. £5,614 Our Price: £2,972
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Channel-Set Diamond Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Channel-Set Diamond Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-010203

Prices from £3,140 High St. £5,684 Our Price: £3,009
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond 3 Stone Engagement Ring Grain-Set Diamond Band Certified Round Brilliant-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond 3 Stone Engagement Ring
Grain-Set Diamond Band
Certified Round Brilliant-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 01-010503

Prices from £3,140 High St. £5,684 Our Price: £3,009
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
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Why Choose a 3-Stone Engagement Ring?

The 3-stone setting, sometimes referred to as a trilogy setting, is steeped in symbolism, with each diamond representing a chapter of your love story—your cherished past, your shared present, and the exciting future ahead. The round brilliant-cut diamonds, known for their exceptional sparkle, create a stunning display of fire and brilliance, making this style both meaningful and breathtaking.

Why Platinum?

Platinum is the ultimate choice for a ring that’s designed to last a lifetime. Renowned for its strength, durability, and naturally bright white finish, platinum beautifully enhances the brilliance of diamonds. It’s also hypoallergenic, making it ideal for everyday wear. As a precious metal, platinum is a symbol of enduring love and commitment.

Handcrafted with Love and Precision

Every Platinum 3-Stone Engagement Ring at ComparetheDiamond.com is meticulously crafted by skilled artisans. Using ethically sourced diamonds and 100% recycled platinum, we ensure that your ring is as sustainable as it is stunning. Our dedication to quality and craftsmanship means you’ll receive a piece that’s truly one-of-a-kind.

Find Your Perfect Ring

Our collection of Platinum 3-Stone Engagement Rings offers a variety of designs to suit every taste. Whether you prefer a classic and understated look or something bold and contemporary, you’ll find the perfect ring to reflect your unique love story. For a truly personal touch, our bespoke design service allows you to create a custom ring that’s as unique as your relationship.

Celebrate Your Love Story

A Platinum 3-Stone Engagement Ring is more than just a piece of jewellery—it’s a meaningful symbol of your journey together and the future you’re building. Its timeless elegance and heartfelt symbolism make it the perfect way to honour your love and commitment.

Frequently Asked Questions

A 3-stone engagement ring features three stones set side-by-side. These stones traditionally symbolise the past, present, and future of a relationship, adding a sentimental meaning to the ring. The centre stone is often the largest and most prominent.

Platinum is incredibly durable and naturally hypoallergenic, making it perfect for everyday wear. Its bright white finish enhances the brilliance of diamonds, ensuring your ring remains stunning for years to come.

Yes, the side stones can definitely vary in shape and size compared to the centre stone. It's common to see a round brilliant centre stone flanked by smaller pear-shaped, oval, or baguette-cut diamonds or gemstones.

Absolutely! 3-stone rings are highly customisable. Our bespoke design service allows you to collaborate with our expert designers to create a one-of-a-kind ring that reflects your unique love story.

Yes, all our engagement rings come with a lifetime warranty against manufacturing defects, ensuring your ring stays as stunning as the day you bought it.

Yes, the 3-stone design is considered a classic style. The symbolism resonates with many couples, and the balanced aesthetic of three stones remains timelessly elegant.

We want you to be completely confident in your purchase. That's why we offer a 30-day return or exchange period. If for any reason you're not perfectly satisfied, you can return or exchange your ring within 30 days for a full refund or a replacement.

Absolutely! Through our financing partner, "Dopple Finance," we offer a range of flexible payment plans designed to make owning your perfect ring easier. Choose a plan that suits your financial needs and enjoy your beautiful new ring sooner.

Explore our collection and discover your perfect platinum engagement ring today or contact us on 00441451810595 to schedule a bespoke design consultation.

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