Ladies Platinum Engagement Rings

Explore our stunning collection of women’s platinum engagement rings and find an opulent array of sparkling diamonds, classic aesthetics and beautiful finishes. Versatile enough to be paired with any outfit, our platinum engagement rings for women make an ideal choice as their elegance is truly timeless. Our expertly crafted selection features a wide variety of new and pre-owned styles, along with an array of gemstone shapes and sizes for you to find your perfect fit. We can also offer you the best wedding ring to match, so browse our extensive range of ladies platinum jewellery and let us take care of the details.
195 Items
Platinum Millennium-Cut Diamond Solitaire Ring - Size J½ -0.64ct
Platinum Millennium-Cut Diamond Solitaire Ring - Size J½ -0.64ct
Platinum Millennium-Cut Diamond Solitaire Ring - Size J½ -0.64ct
Platinum Millennium-Cut Diamond Solitaire Ring - Size J½ -0.64ct
Platinum Millennium-Cut Diamond Solitaire Ring - Size J½ -0.64ct
Miltons Diamonds
Platinum Millennium-Cut Diamond Solitaire Ring - Size J½ -0.64ct
£1,095.00
Platinum Marquise Diamond Engagement Ring - Size M - 0.71ct
Platinum Marquise Diamond Engagement Ring - Size M - 0.71ct
Platinum Marquise Diamond Engagement Ring - Size M - 0.71ct
Platinum Marquise Diamond Engagement Ring - Size M - 0.71ct
Platinum Marquise Diamond Engagement Ring - Size M - 0.71ct
Miltons Diamonds
Platinum Marquise Diamond Engagement Ring - Size M - 0.71ct
£2,295.00
Platinum Marquise Diamond Engagement Ring - Size M - 0.46ct
Platinum Marquise Diamond Engagement Ring - Size M - 0.46ct
Platinum Marquise Diamond Engagement Ring - Size M - 0.46ct
Platinum Marquise Diamond Engagement Ring - Size M - 0.46ct
Platinum Marquise Diamond Engagement Ring - Size M - 0.46ct
Miltons Diamonds
Platinum Marquise Diamond Engagement Ring - Size M - 0.46ct
£1,895.00
Platinum Diamond Solitaire Engagement Ring - Size L - 0.38ct
Platinum Diamond Solitaire Engagement Ring - Size L - 0.38ct
Platinum Diamond Solitaire Engagement Ring - Size L - 0.38ct
Platinum Diamond Solitaire Engagement Ring - Size L - 0.38ct
Platinum Diamond Solitaire Engagement Ring - Size L - 0.38ct
Miltons Diamonds
Platinum Diamond Solitaire Engagement Ring - Size L - 0.38ct
£549.00
Platinum Diamond Solitaire Engagement Ring - Size N½ - 0.33ct
Platinum Diamond Solitaire Engagement Ring - Size N½ - 0.33ct
Platinum Diamond Solitaire Engagement Ring - Size N½ - 0.33ct
Platinum Diamond Solitaire Engagement Ring - Size N½ - 0.33ct
Platinum Diamond Solitaire Engagement Ring - Size N½ - 0.33ct
Miltons Diamonds
Platinum Diamond Solitaire Engagement Ring - Size N½ - 0.33ct
£695.00
Platinum Diamond Solitaire Engagement Ring - Size M - 1.31ct
Platinum Diamond Solitaire Engagement Ring - Size M - 1.31ct
Platinum Diamond Solitaire Engagement Ring - Size M - 1.31ct
Platinum Diamond Solitaire Engagement Ring - Size M - 1.31ct
Platinum Diamond Solitaire Engagement Ring - Size M - 1.31ct
Platinum Diamond Solitaire Engagement Ring - Size M - 1.31ct
Miltons Diamonds
Platinum Diamond Solitaire Engagement Ring - Size M - 1.31ct
£5,500.00
Platinum Diamond Twist Engagement Ring - Size M½ - 1.03ct
Platinum Diamond Twist Engagement Ring - Size M½ - 1.03ct
Platinum Diamond Twist Engagement Ring - Size M½ - 1.03ct
Platinum Diamond Twist Engagement Ring - Size M½ - 1.03ct
Platinum Diamond Twist Engagement Ring - Size M½ - 1.03ct
Miltons Diamonds
Platinum Diamond Twist Engagement Ring - Size M½ - 1.03ct
£4,250.00
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Platinum Diamond Solitaire Engagement Ring - Size I½ - 0.47ct
Platinum Diamond Solitaire Engagement Ring - Size I½ - 0.47ct
Platinum Diamond Solitaire Engagement Ring - Size I½ - 0.47ct
Platinum Diamond Solitaire Engagement Ring - Size I½ - 0.47ct
Platinum Diamond Solitaire Engagement Ring - Size I½ - 0.47ct
Miltons Diamonds
Platinum Diamond Solitaire Engagement Ring - Size I½ - 0.47ct
£1,195.00
Platinum Diamond Solitaire Engagement Ring - Size I - 0.50ct
Platinum Diamond Solitaire Engagement Ring - Size I - 0.50ct
Platinum Diamond Solitaire Engagement Ring - Size I - 0.50ct
Platinum Diamond Solitaire Engagement Ring - Size I - 0.50ct
Platinum Diamond Solitaire Engagement Ring - Size I - 0.50ct
Miltons Diamonds
Platinum Diamond Solitaire Engagement Ring - Size I - 0.50ct
£895.00
Platinum Diamond Solitaire Engagement Ring - Size N - 0.65ct
Platinum Diamond Solitaire Engagement Ring - Size N - 0.65ct
Platinum Diamond Solitaire Engagement Ring - Size N - 0.65ct
Platinum Diamond Solitaire Engagement Ring - Size N - 0.65ct
Platinum Diamond Solitaire Engagement Ring - Size N - 0.65ct
Miltons Diamonds
Platinum Diamond Solitaire Engagement Ring - Size N - 0.65ct
£1,995.00
Platinum Diamond Solitaire Engagement Ring - Size L - 0.30ct
Platinum Diamond Solitaire Engagement Ring - Size L - 0.30ct
Platinum Diamond Solitaire Engagement Ring - Size L - 0.30ct
Platinum Diamond Solitaire Engagement Ring - Size L - 0.30ct
Platinum Diamond Solitaire Engagement Ring - Size L - 0.30ct
Miltons Diamonds
Platinum Diamond Solitaire Engagement Ring - Size L - 0.30ct
£695.00
Platinum Diamond Solitaire Engagement Ring - Size L - 0.53ct
Platinum Diamond Solitaire Engagement Ring - Size L - 0.53ct
Platinum Diamond Solitaire Engagement Ring - Size L - 0.53ct
Platinum Diamond Solitaire Engagement Ring - Size L - 0.53ct
Platinum Diamond Solitaire Engagement Ring - Size L - 0.53ct
Miltons Diamonds
Platinum Diamond Solitaire Engagement Ring - Size L - 0.53ct
£1,195.00
Authenticity, Guaranteed.
Platinum Diamond Engagement Ring - Size K - 0.56ct
Platinum Diamond Engagement Ring - Size K - 0.56ct
Platinum Diamond Engagement Ring - Size K - 0.56ct
Platinum Diamond Engagement Ring - Size K - 0.56ct
Platinum Diamond Engagement Ring - Size K - 0.56ct
Miltons Diamonds
Platinum Diamond Engagement Ring - Size K - 0.56ct
£1,095.00
Platinum Diamond Engagement Ring - Size K - 0.67ct
Platinum Diamond Engagement Ring - Size K - 0.67ct
Platinum Diamond Engagement Ring - Size K - 0.67ct
Platinum Diamond Engagement Ring - Size K - 0.67ct
Platinum Diamond Engagement Ring - Size K - 0.67ct
Miltons Diamonds
Platinum Diamond Engagement Ring - Size K - 0.67ct
£795.00
Platinum Diamond Engagement Ring - Size M½ - 1.01ct
Platinum Diamond Engagement Ring - Size M½ - 1.01ct
Platinum Diamond Engagement Ring - Size M½ - 1.01ct
Platinum Diamond Engagement Ring - Size M½ - 1.01ct
Platinum Diamond Engagement Ring - Size M½ - 1.01ct
Miltons Diamonds
Platinum Diamond Engagement Ring - Size M½ - 1.01ct
£2,950.00
Platinum Diamond Solitaire Engagement Ring - Size I - 0.25ct
Platinum Diamond Solitaire Engagement Ring - Size I - 0.25ct
Platinum Diamond Solitaire Engagement Ring - Size I - 0.25ct
Platinum Diamond Solitaire Engagement Ring - Size I - 0.25ct
Platinum Diamond Solitaire Engagement Ring - Size I - 0.25ct
Miltons Diamonds
Platinum Diamond Solitaire Engagement Ring - Size I - 0.25ct
£525.00
Platinum Diamond Engagement Ring - Size M - 0.33ct
Platinum Diamond Engagement Ring - Size M - 0.33ct
Platinum Diamond Engagement Ring - Size M - 0.33ct
Platinum Diamond Engagement Ring - Size M - 0.33ct
Platinum Diamond Engagement Ring - Size M - 0.33ct
Miltons Diamonds
Platinum Diamond Engagement Ring - Size M - 0.33ct
£550.00
Platinum Diamond Solitaire Engagement Ring - Size K½ - 0.48ct
Platinum Diamond Solitaire Engagement Ring - Size K½ - 0.48ct
Platinum Diamond Solitaire Engagement Ring - Size K½ - 0.48ct
Platinum Diamond Solitaire Engagement Ring - Size K½ - 0.48ct
Platinum Diamond Solitaire Engagement Ring - Size K½ - 0.48ct
Miltons Diamonds
Platinum Diamond Solitaire Engagement Ring - Size K½ - 0.48ct
£1,495.00
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Do you have gemmologists in store?

Yes. Our qualified gemmologists work on site, so every piece is examined in-house before it goes on sale. If you’d like to know more about a stone, from its cut and clarity to its history, our team is always happy to talk you through it, in store or online.

How are your items valued?

All of our jewellery is thoroughly inspected and valued by a qualified gemmologist. We assess key factors such as cut, colour, clarity, carat weight, and overall craftsmanship. This expert evaluation ensures that every piece is accurately described and fairly priced, so you can buy with confidence knowing you’re receiving genuine value.

Are your pre-owned watches authenticated?

Absolutely. Every pre-owned watch we sell undergoes a rigorous authentication process. Our watches are inspected by specialists to verify originality, condition, and performance. We ensure that each timepiece is genuine and accurately represented, so you can purchase luxury watches with complete peace of mind.

What are your delivery times and do you hold your stock?

We aim to dispatch all orders quickly and securely, with most items sent via next working day delivery after purchase. All products listed on our website are physically held in stock by Miltons Diamonds and are available to view in-store as well as online. This means you can shop confidently knowing your chosen item is ready for immediate dispatch or personal viewing.

100+ YEARS HERITAGE

2 YEAR ROLEX WARRANTY

NEXT DAY DELIVERY

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