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Over 1.50 Carat Engagement Rings

Explore our stunning collection of engagement rings featuring diamonds over 1.50 carats, where extraordinary brilliance meets timeless design. At James Porter & Son, Scotland’s Family Jeweller since 1858, we specialize in creating unforgettable moments with rings that showcase exceptional craftsmanship and unparalleled quality. From classic styles to bespoke creations, our collection is designed to captivate and inspire. Located in Glasgow’s iconic Argyll Arcade, our expert team is here to guide you in selecting the perfect ring that symbolizes your love story. Discover the ring of a lifetime and make your engagement truly unforgettable with James Porter & Son.

 

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A Personalised Service at James Porter & Son

At James Porter & Son, we understand that an engagement ring is more than just a piece of jewellery. For more than 165 years, we’ve been dedicated to helping couples find the perfect expression of their love and commitment and today we’re here to help you. 

Our beautiful range offers exceptional craftsmanship in every engagement ring and we have a variety of styles to suit every taste. From brilliant round-cut diamonds to elegant emerald cuts, each ring is hand-selected to ensure exceptional sparkle and quality.

We know that choosing an engagement ring is a deeply personal experience. Our expert team is here to guide you through every step, helping you find a ring that perfectly reflects your love and individuality. Explore our beautiful selection online or visit us in-store at our Glasgow boutique for a personal consultation.

Beautifully Crafted Precious Metals

We are proud to offer engagement rings crafted in a variety of precious metals:

  • Platinum - durable and hypo-allergenic
  • White gold - a sleek silvery appearance
  • Yellow gold - classic and timeless
  • Rose gold - a warm and romantic hue

What are the Four Cs of Diamonds?

The 4 Cs—Cut, Colour, Clarity, and Carat weight—are the standard criteria for evaluating diamond quality:

  • Cut: Affects the diamond's brilliance.
  • Colour: Ranges from D (colourless) to Z (light yellow or brown).
  • Clarity: Refers to the presence of internal or external flaws (inclusions or blemishes).
  • Carat weight: Measures the size of the diamond.​

Understanding these can help you choose a diamond that balances quality and budget.

Lab-Grown Diamond Engagement Rings

Discover a whole new world in our beautiful, ethical selection of lab-grown diamond engagement rings. Created using advanced technologies, each state-of-the-art diamond is chemically identical to those mined from the ground and just as magnificent as the best of them. The perfect choice for the environmentally-conscious couple.

The Perfect Symbol of Your Forever

Whether you envision a traditional diamond ring or something unique featuring a coloured gemstone, we can help you to find the perfect symbol of your forever. Browse our full collection of engagement rings today and begin the next chapter of your journey with a piece that will be treasured for a lifetime.


Frequently Asked Questions About Engagement Rings

How much should I spend on an engagement ring?

There's no fixed rule. While a traditional guideline suggested spending two to three months' salary, many couples now choose a budget that feels comfortable for them. The average spend in the UK is around £2,419, but it's essential to select a budget that aligns with your financial situation and the significance you place on the ring.​

Where does the tradition of engagement rings originate?

The tradition of engagement rings dates back to ancient times, but the modern custom began in the 15th century when Archduke Maximilian of Austria gave Mary of Burgundy a diamond ring.

How do I determine my partner's ring size?

If you're unsure of your partner's ring size, consider borrowing one of their rings (from the correct finger) and having it measured by a jeweller. Alternatively, we offer an online guide to assist you. It's advisable to get the size right the first time, as resizing can be challenging with certain designs.

Should we shop for the ring together?

This depends on your relationship dynamics. Some couples prefer the surprise element, while others enjoy selecting the ring together to ensure it aligns with their partner's taste. There's no right or wrong approach; it's about what feels best for both of you.​

Is it okay to propose without a ring?

Absolutely. Some choose to propose with a placeholder ring or none at all, especially if they plan to select the engagement ring together afterward. The most important aspect is the commitment and intention behind the proposal.​

How do I care for a diamond engagement ring?

To maintain its brilliance:
Remove the ring when washing hands or applying lotions.
Avoid exposing it to harsh chemicals.
Regularly clean it with a soft cloth and mild soap solution.
Consider professional cleaning and annual inspection.


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  • Engagement Rings

    Explore our curated designs with the help from our expert team.

    60 min
  • Wedding Rings

    Find the perfect wedding rings for you and your partner.

    60 min
  • Luxury Jewellery and Gifts

    Our team of dedicated experts will help you find the perfect piece of jewellery for any occasion.

    60 min
  • Bespoke Rings

    With a dedicated team of experts, we will help you create the perfect one of a kind ring for any occasion.

    60 min
  • Watches

    Explore and try on any watches you have had your eye on with help from our team of horological experts.

    60 min
  • Ring & Jewellery Drop-off

    Drop-off your rings or jewellery for cleaning, resizing, repairs and more

    15 min
  • Watch Drop-off

    Drop-off your watches for battery replacements, strap resizing, repairs and more.

    15 min

Select time for date:

    Booking Summary

    Engagement Ring 60 Min
    Tuesday 28 November 10:30 am

    Address:

    38-39
    Argyll Arcade
    Glasgow
    G2 8BG
    0141 221 5855 (Option 2)
    Mon-Sat 09:30 - 17:30
    Sunday 11:00 - 17:00