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 £869 High St. £1,219 Our Price: £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: 02-0100-6052

Prices from £990 High St. £1,426 Our Price: £832
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 £891 High St. £1,257 Our Price: £733
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 £930 High St. £1,323 Our Price: £772
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 £1,107 High St. £1,628 Our Price: £949
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 £930 High St. £1,323 Our Price: £772
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 £1,075 High St. £1,571 Our Price: £917
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 £1,175 High St. £1,744 Our Price: £1,017
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 £936 High St. £1,333 Our Price: £778
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 £1,402 High St. £2,132 Our Price: £1,244
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 £1,107 High St. £1,628 Our Price: £949
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: 02-0100-2301

Prices from £1,140 High St. £1,684 Our Price: £982
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 £1,005 High St. £1,451 Our Price: £847
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 £1,225 High St. £1,830 Our Price: £1,067
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 £1,295 High St. £1,950 Our Price: £1,137
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 £1,381 High St. £2,096 Our Price: £1,223
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 £1,144 High St. £1,690 Our Price: £986
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 £1,067 High St. £1,557 Our Price: £909
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 £1,161 High St. £1,720 Our Price: £1,003
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 £1,375 High St. £2,086 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: 02-0100-6148

Prices from £1,118 High St. £1,646 Our Price: £960
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 £1,404 High St. £2,136 Our Price: £1,246
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 £1,214 High St. £1,810 Our Price: £1,056
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 £1,252 High St. £1,876 Our Price: £1,094
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 £1,316 High St. £1,986 Our Price: £1,158
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 £1,377 High St. £2,090 Our Price: £1,219
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 £1,445 High St. £2,206 Our Price: £1,287
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 £632 High St. £813 Our Price: £474
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 £704 High St. £936 Our Price: £546
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 £1,535 High St. £2,361 Our Price: £1,377
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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