Platinum Princess Cut Diamond Solitaire Engagement Rings

Celebrate your love with the timeless elegance of our Platinum Princess Cut Diamond Solitaire Engagement Rings. At ComparetheDiamond.com, we’ve curated a collection that highlights the stunning simplicity of a single diamond, perfectly complemented by the enduring beauty of platinum.

Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-0001

Prices from £1,393 High St. £2,298 Our Price: £1,217
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-6052

Prices from £1,262 High St. £2,052 Our Price: £1,086
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-6164

Prices from £1,427 High St. £2,362 Our Price: £1,251
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-6082

Prices from £1,412 High St. £2,334 Our Price: £1,236
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-6062

Prices from £1,416 High St. £2,342 Our Price: £1,240
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-6055

Prices from £1,361 High St. £2,238 Our Price: £1,185
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-6048

Prices from £1,410 High St. £2,330 Our Price: £1,234
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-0851

Prices from £1,468 High St. £2,441 Our Price: £1,292
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-6143

Prices from £1,507 High St. £2,514 Our Price: £1,331
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-6046

Prices from £1,484 High St. £2,470 Our Price: £1,308
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-6047

Prices from £1,547 High St. £2,591 Our Price: £1,371
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-6146

Prices from £1,632 High St. £2,751 Our Price: £1,456
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-6051

Prices from £1,546 High St. £2,589 Our Price: £1,370
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-6027

Prices from £1,531 High St. £2,560 Our Price: £1,355
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-2299

Prices from £1,772 High St. £3,015 Our Price: £1,596
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-6057

Prices from £1,804 High St. £3,075 Our Price: £1,628
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-6117

Prices from £1,745 High St. £2,963 Our Price: £1,569
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-2246

Prices from £1,745 High St. £2,963 Our Price: £1,569
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-2276

Prices from £1,883 High St. £3,224 Our Price: £1,707
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-6148

Prices from £1,838 High St. £3,140 Our Price: £1,662
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Diamond-Set Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Diamond-Set Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-2248

Prices from £1,953 High St. £3,356 Our Price: £1,777
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-3022

Prices from £2,012 High St. £3,468 Our Price: £1,836
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-2245

Prices from £2,108 High St. £3,650 Our Price: £1,932
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-2964

Prices from £1,813 High St. £3,092 Our Price: £1,637
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-2225

Prices from £2,781 High St. £4,920 Our Price: £2,605
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-0100-2219

Prices from £2,887 High St. £5,121 Our Price: £2,711
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-010101

Prices from £1,458 High St. £2,422 Our Price: £1,282
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond Solitaire Engagement Ring Plain Polish Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond Solitaire Engagement Ring
Plain Polish Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-010104

Prices from £1,624 High St. £2,735 Our Price: £1,448
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
Diamond-Set Band Engagement Ring Channel-Set Diamond Band Certified Princess-Cut Diamond 100% Recycled, Hallmarked Platinum

Diamond-Set Band Engagement Ring
Channel-Set Diamond Band
Certified Princess-Cut Diamond
100% Recycled, Hallmarked Platinum
Design ID: 02-010204

Prices from £2,348 High St. £4,102 Our Price: £2,172
Platinum    Rose Gold    Yellow Gold    White Gold
Metal Options
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Why Choose a Solitaire Engagement Ring?

A solitaire engagement ring is the ultimate symbol of refined elegance. Featuring a single, dazzling princess cut diamond, this design focuses on the clean, sharp lines of the diamond, allowing its brilliance to take centre stage. Paired with the unmatched durability and lustrous finish of platinum, these rings are perfect for those seeking a timeless yet modern aesthetic.

Explore Our Platinum Solitaire Collection

Our Platinum Solitaire Engagement Rings are designed to suit every style. The princess cut diamond, celebrated for its contemporary brilliance and geometric appeal, is the focal point of each design. Whether you prefer a classic four-claw setting or a sleek bezel, our collection offers a variety of styles to reflect your personal taste.

Customise Your Dream Solitaire Ring

Your engagement ring should be a true reflection of your unique love story. Using our bespoke Ring Maker tool, you can customise every aspect of your platinum solitaire engagement ring. Our skilled jewellers will craft your design with meticulous precision, care, and expertise.

Certified Quality and Ethical Assurance

At ComparetheDiamond.com, we are committed to delivering exceptional quality and ethical sourcing. All our diamonds are certified by GIA or IGI, ensuring authenticity and brilliance. Our hallmarked platinum is sourced responsibly and crafted to the highest standards, offering a sustainable and meaningful choice.

Expert Guidance Every Step of the Way

Choosing the perfect engagement ring is one of life’s most meaningful decisions, and we’re here to make the process effortless. Speak to one of our friendly and knowledgeable team whether you need advice on selecting the perfect diamond or assistance with bespoke customisation.

Hassle Free Shopping

Enjoy a secure and seamless shopping experience at ComparetheDiamond.com. Benefit from our 30-day return policy, fully insured worldwide shipping, and secure payment methods. Every purchase is protected by our lifetime manufacturing warranty, ensuring peace of mind as you select the perfect ring.

Frequently Asked Questions

The princess cut is celebrated for its sharp, clean lines and exceptional brilliance, making it a striking choice for solitaire designs that focus on the beauty of a single diamond.

Platinum is one of the most durable and hypoallergenic metals, offering exceptional strength and a naturally white finish that doesn’t fade over time. It’s perfect for showcasing the brilliance of a princess cut diamond.

Yes, with our bespoke Ring Maker tool, you can personalise every aspect of the design to create a ring that reflects your unique vision.

Yes, we offer engraving services so you can add a personal touch, such as a meaningful date, initials, or a short message, to your platinum ring.

Regular cleaning with warm soapy water and a soft brush will help maintain its brilliance. Occasional professional polishing can restore its original shine if desired.

Lab-grown diamonds are identical to mined diamonds chemically, physically and in appearance but are more sustainable and cost-effective. Both options are available for our platinum solitaire rings.

If you’re not completely satisfied with your purchase, you can return or exchange the ring within 30 days for a full refund or replacement, provided it’s in its original condition.

Ready to choose your Platinum Princess Cut Diamond Solitaire Engagement Ring? Explore our collection today or contact us via phone, email, live chat or WhatsApp to create a bespoke ring that perfectly captures your story.

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