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  1. Home
  2. Engagement Rings
  3. 1.5 Carat Diamond Engagement Rings

1.5 Carat Diamond Engagement Rings

Celebrate life’s most meaningful promise with our distinguished collection of 1.5-carat diamond engagement rings, carefully selected to showcase diamonds between 1.50ct and 1.99ct. Each piece is made to honour your personal story, blending British heritage with contemporary elegance.

Whether you are drawn to a sleek solitaire, a vintage-inspired cluster, or a striking three-stone design , our selection delivers styles to suit every refined taste. Thorough attention to detail makes certain that every ring balances presence, proportion and light performance in the way that defines Pragnell’s celebrated craftsmanship.
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Celebrate life’s most meaningful promise with our distinguished collection of 1.5-carat diamond engagement rings, carefully selected to showcase diamonds between 1.50ct and 1.99ct. Each piece is made to honour your personal story, blending British heritage with contemporary elegance.

Whether you are drawn to a sleek solitaire, a vintage-inspired cluster, or a striking three-stone design , our selection delivers styles to suit every refined taste. Thorough attention to detail makes certain that every ring balances presence, proportion and light performance in the way that defines Pragnell’s celebrated craftsmanship.
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2 Carat Diamond Rings

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Coronet Old Cut 1.585ct Diamond Cluster Ring
Coronet Old Cut 1.585ct Diamond Cluster Ring

Coronet Old Cut 1.585ct Diamond Cluster Ring

in 18ct Yellow Gold and Platinum
 $13,797 
Stellar 1.94ct Fancy Diamond Bombe Ring
Stellar 1.94ct Fancy Diamond Bombe Ring

Stellar 1.94ct Fancy Diamond Bombe Ring

in 18ct Yellow Gold
 $14,416 
Kingdom 2.41ct Diamond Three Stone Ring
Kingdom 2.41ct Diamond Three Stone Ring

Kingdom 2.41ct Diamond Three Stone Ring

in Platinum
 $25,566 
Asscher Cut Diamond Ring
Asscher Cut Diamond Ring

Gatsby Asscher Cut Diamond Ring

in Platinum
From  $21,849  - $22,863
Crafted with Love
Celestial 1.80ct Cushion Cut Diamond Cluster Ring
Celestial 1.80ct Cushion Cut Diamond Cluster Ring

Celestial 1.80ct Cushion Cut Diamond Cluster Ring

in Platinum
 $14,022 
Kingdom 2.71ct Diamond Three Stone Ring
Kingdom 2.71ct Diamond Three Stone Ring

Kingdom 2.71ct Diamond Three Stone Ring

in Platinum
 $33,140 
Regency 1.51ct Asscher Cut Diamond Ring
Regency 1.51ct Asscher Cut Diamond Ring

Regency 1.51ct Asscher Cut Diamond Ring

in Platinum
 $22,300 
Celestial 1.51ct Brilliant Cut Diamond Cluster Ring
Celestial 1.51ct Brilliant Cut Diamond Cluster Ring

Celestial 1.51ct Brilliant Cut Diamond Cluster Ring

in Platinum
 $20,667 
Classic 1.53ct Brilliant Cut Diamond Ring
Classic 1.53ct Brilliant Cut Diamond Ring

Classic 1.53ct Brilliant Cut Diamond Ring

in Platinum
 $28,719 
Gatsby 1.70ct Brilliant Cut Diamond Ring
Gatsby 1.70ct Brilliant Cut Diamond Ring

Gatsby 1.70ct Brilliant Cut Diamond Ring

in 18ct Yellow Gold
 $27,818 
Emerald Cut 1.51ct Diamond Solitaire Ring
Emerald Cut 1.51ct Diamond Solitaire Ring

Emerald Cut 1.51ct Diamond Solitaire Ring

in 18ct Yellow Gold and Platinum
 $22,469 
Antrobus 1.50ct Diamond Solitaire Ring
Antrobus 1.50ct Diamond Solitaire Ring

Antrobus 1.50ct Diamond Solitaire Ring

in Platinum
 $32,267 
Engagement Guide

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Bespoke Engagement Ring Design Bespoke Engagement Ring Design

Bespoke & Custom Design Engagement Rings

Design your own engagement ring with our bespoke service. Working closely with our jewellery specialists, you can create a custom piece tailored to your exact vision. From selecting the perfect diamond to incorporating personal details or heirloom stones, we guide you through every step of bringing your dream ring to life. Book an appointment to begin your bespoke journey.

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Craftsmanship Rooted in Heritage

At Pragnell, our rings are created by expert artisans who combine traditional techniques with innovative design, guaranteeing every diamond is set to maximise its natural beauty. This devotion to excellence has shaped our reputation as one of Britain’s most respected family-run jewellers. Learn more about our heritage on our About Us page.


Featured Styles in the 1.5ct Collection

Each ring in our curated 1.5ct offering highlights a distinctive aesthetic:


Cluster Rings

Detailed arrangements that create extraordinary brilliance, such as the Coronet Old Cut and Celestial designs.


Solitaire Rings

Understated, timeless, and elegant—displaying the diamond’s purity in designs like the Antrobus solitaire.


Vintage Creations

Characterful rings drawing from antique craft traditions, crafted in rich 18ct yellow gold or refined platinum.


Three Stone Rings

Representing past, present and future—elegantly articulated in the Kingdom trilogy pieces.



Why Choose a 1.5 Carat Diamond?

A 1.5-carat diamond offers a notable balance between size and value. It creates a distinct presence on the hand while retaining refined wearability—striking a perfect harmony between impact and elegance.

Popular questions from our clients include:
• How much is a 1.5-carat ring?
• How big is a 1.5-carat diamond?
• Is 1.5 carats considered big?

These topics are discussed in our frequently asked questions, ensuring guidance at every step of your journey. For further support, explore our Engagement Ring Guide.



Your Bespoke Journey

For something truly personal, our bespoke engagement ring service allows you to work closely with our specialists to create a unique design. From choosing the perfect diamond to incorporating heirloom stones or personalised details, we can design a ring that beautifully reflects your story.

Begin your bespoke journey by booking a private appointment with one of our experts.



Visit Us In Store or Online

Explore the full collection of 1.5ct diamond engagement rings on our website, or experience the craftsmanship in person at one of our British showrooms. Wherever you choose to begin, you will receive the warm welcome, expertise and discretion synonymous with Pragnell.

Frequently Asked Questions

Below are the answers to our most commonly asked questions. Should you want to find out more please feel free to Contact Us and begin your Pragnell experience.

Prices for 1.5-carat diamond rings vary widely depending on cut, colour, clarity, and setting style. Our curated collection spans a range of designs and budgets, with individual pieces priced according to their rarity and craftsmanship.

A 1.5-carat diamond offers a beautiful balance of presence and proportion. It provides noticeable brilliance on the hand while maintaining an elegant, wearable scale suited to both contemporary and traditional designs.

Yes—many clients consider 1.5 carats to be a significant size, offering impressive sparkle without overwhelming the hand. It strikes a desirable middle ground for those seeking impact with refined sophistication.

Our selection includes solitaires, clusters, vintage pieces, and elegant three Stone rings. Each design is carefully crafted to showcase the diamond’s natural fire and beauty to its full potential.

Absolutely. Our bespoke service allows you to collaborate with our specialists to design a ring that expresses your personal story. Starting with selecting the ideal diamond to tailoring the setting, we guide you through every step of your unique creation.

Yes. Our collection features brilliant, old, Asscher, cushion, and more cuts, allowing you to choose the shape that best suits your aesthetic and lifestyle.

Our rings are crafted in precious metals, including platinum, 18ct yellow gold, and 18ct white gold. Each metal is selected for its durability and its ability to enhance the diamond’s brilliance.

Yes. Our experts are on hand to explain the 4Cs—cut, colour, clarity and carat weight—so you understand each diamond’s unique characteristics as you choose the piece that speaks to you. Find out more about the 4Cs in our Diamond Guide.

Of course. You can arrange a private appointment at any of our showrooms to explore the collection in person with one of our knowledgeable consultants.

All Pragnell clients receive ongoing care and expert support to ensure their ring remains as beautiful as the day it was chosen. Our heritage of craftsmanship guarantees each piece is made to last a lifetime. Learn more about our services.
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