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  • Engagement Rings Create your own ring Choose your setting and diamond
  • Engagement Rings Ingle & rhode collection Finished engagement rings
  • Bespoke Engagement Rings Bespoke design service Create something unique

    • Round

    • Oval

    • Cushion

    • Princess

    • Emerald

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Ethical Sourcing
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Ingle & Rhode The Ethical Jeweller
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ROUND BRILLIANT CUT ENGAGEMENT RINGS

ROUND BRILLIANT CUT ENGAGEMENT RINGS

Combining unmatched craftsmanship with a traditional yet timeless style, uncover true perfection with an ethically sourced round brilliant cut engagement ring.

1 Select YourChoose Setting Browse settings  
2 Select yourChoose Diamond Browse diamonds  
3 Complete yourComplete Ring  
Price
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0 selected Reset all
Metal
  • Platinum
  • White Gold
  • Yellow Gold
  • Rose Gold
  • Bolero

    Bolero

    Round Cut

    Recycled platinum

    £1095

    Bolero
    Full Details
  • Adagio

    Adagio

    Round Cut

    Recycled platinum

    £995

    Adagio
    Full Details
  • Rhapsody Diamond Shoulders

    Rhapsody Diamond Shoulders

    Round Cut

    Recycled platinum

    £1295

    Rhapsody Diamond Shoulders
    Full Details
  • Cadenza

    Cadenza

    Round Cut

    Recycled platinum

    £1295

    Cadenza
    Full Details
  • Diamond Trio

    Diamond Trio

    Round Cut

    Recycled platinum

    £1495

    Diamond Trio
    Full Details
  • Capriccio

    Capriccio

    Round Cut

    Recycled platinum

    £1595

    Capriccio
    Full Details
  • Sapphire Trio

    Sapphire Trio

    Round Cut

    Recycled platinum

    £1395

    Sapphire Trio
    Full Details
  • Crescendo

    Crescendo

    Round Cut

    Recycled platinum

    £1395

    Crescendo
    Full Details
  • Vivace

    Vivace

    Round Cut

    Recycled platinum

    £1495

    Vivace
    Full Details
  • Cantata

    Cantata

    Round Cut

    Recycled platinum

    £1295

    Cantata
    Full Details
  • Amoroso

    Amoroso

    Round Cut

    Recycled platinum

    £825

    Amoroso
    Full Details
  • Primavera

    Primavera

    Round Cut

    Recycled platinum

    £1995

    Primavera
    Full Details
  • Pavane

    Pavane

    Round Cut

    Recycled platinum

    £1995

    Pavane
    Full Details
  • Sapphire Overture

    Sapphire Overture

    Round Cut

    Recycled platinum

    £1495

    Sapphire Overture
    Full Details
  • Aria

    Aria

    Round Cut

    Recycled platinum

    £1295

    Aria
    Full Details
  • Serenade

    Serenade

    Round Cut

    Recycled platinum

    £795

    Serenade
    Full Details
  • Appassionata

    Appassionata

    Round Cut

    Recycled platinum

    £1995

    Appassionata
    Full Details
  • Rhapsody

    Rhapsody

    Round Cut

    Recycled platinum

    £945

    Rhapsody
    Full Details
18 items
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Reset all 37
Price
  • Sort low to high
  • Sort high to low
Ring style
0 selected Reset all
METAL TYPE
  • Platinum
  • White Gold
  • Yellow Gold
  • Rose Gold
  • Bolero

    Bolero

    Round Cut

    Recycled platinum

    £1095

    Bolero
    Full Details
  • Adagio

    Adagio

    Round Cut

    Recycled platinum

    £995

    Adagio
    Full Details
  • Rhapsody Diamond Shoulders

    Rhapsody Diamond Shoulders

    Round Cut

    Recycled platinum

    £1295

    Rhapsody Diamond Shoulders
    Full Details
  • Cadenza

    Cadenza

    Round Cut

    Recycled platinum

    £1295

    Cadenza
    Full Details
  • Diamond Trio

    Diamond Trio

    Round Cut

    Recycled platinum

    £1495

    Diamond Trio
    Full Details
  • Capriccio

    Capriccio

    Round Cut

    Recycled platinum

    £1595

    Capriccio
    Full Details
  • Sapphire Trio

    Sapphire Trio

    Round Cut

    Recycled platinum

    £1395

    Sapphire Trio
    Full Details
  • Crescendo

    Crescendo

    Round Cut

    Recycled platinum

    £1395

    Crescendo
    Full Details
  • Vivace

    Vivace

    Round Cut

    Recycled platinum

    £1495

    Vivace
    Full Details
  • Cantata

    Cantata

    Round Cut

    Recycled platinum

    £1295

    Cantata
    Full Details
  • Amoroso

    Amoroso

    Round Cut

    Recycled platinum

    £825

    Amoroso
    Full Details
  • Primavera

    Primavera

    Round Cut

    Recycled platinum

    £1995

    Primavera
    Full Details
  • Pavane

    Pavane

    Round Cut

    Recycled platinum

    £1995

    Pavane
    Full Details
  • Sapphire Overture

    Sapphire Overture

    Round Cut

    Recycled platinum

    £1495

    Sapphire Overture
    Full Details
  • Aria

    Aria

    Round Cut

    Recycled platinum

    £1295

    Aria
    Full Details
  • Serenade

    Serenade

    Round Cut

    Recycled platinum

    £795

    Serenade
    Full Details
  • Appassionata

    Appassionata

    Round Cut

    Recycled platinum

    £1995

    Appassionata
    Full Details
  • Rhapsody

    Rhapsody

    Round Cut

    Recycled platinum

    £945

    Rhapsody
    Full Details
SHOW ALL

Beautiful jewellery and extremely helpful advice from start to finish. So happy to know my jewellery is stunning, original and ethically sourced. Can not recommend Ingle & Rhode more highly.

Jessica

Trust Pilot

Excellent service from the initial phone call, through to the collection of the ring which I'm pleased to say my fiancée loves! I'd highly recommend David and his highly skilled team and will be back here very soon to arrange the wedding bands.

Andrew

Trust Pilot

We needed a pair of wedding rings and were attracted to Ingle & Rhode by the fact that they used ethical metals. We were very pleased to find a team of thoroughly lovely people who provided excellent jewellery and wonderful, friendly service. I wouldn't hesitate to recommend them wholeheartedly.

Giancarlo

Trust Pilot

Excellent ethical jeweller. Purchased an engagement ring from Ingle & Rhode. Very impressive range, superb customer service and the best ethical guarantees (e.g. all Canadian diamonds) I came across. Girlfriend loved the ring.

Alex

Trust Pilot

I had my engagement ring made by Ingle & Rhode. I was very happy with it and the whole process was very painless. When I got the ring, it was exactly what we had discussed. When I told my (now) wife, that her ring was ethically sourced and produced it made her very happy. I highly recommend them.

Sam

Trust Pilot

Wonderful product, very helpful people. And love the ethical angle.

Mark Dalton

Trust Pilot

Patient, professional, trustworthy and providing an excellent quality. On top of it they are ethically sourcing all the materials from non conflict zones. Highly recommended.

Anonymous

Trust Pilot

Excellent company,excellent people,excellent philosophy and excellent products.

Paul Gayton

Trust Pilot

Beautiful item and amazing service. Hugely recommend.

Pete

Trust Pilot

Professional, reliable and knowledgeable, Ingle and Rhode will be first port of call the next time I am looking for exquisite jewellery.

Brian

Trust Pilot

Stellar service! They were fantastic in talking me through the process, accommodating my many changes to the bespoke design I had in mind for my fiancée's ring, sourcing a beautiful and ethically sourced ring. I highly recommend this company to anyone setting out in this fun but tricky journey of finding the right ring!

Iskandar Melikian

Trust Pilot
Why is ethical sourcing <br>so important? Why is ethical sourcing <br>so important? Why is ethical sourcing <br>so important?
Why is ethical sourcing <br>so important? Why is ethical sourcing <br>so important? Why is ethical sourcing <br>so important?

Why is ethical sourcing
so important?

Without proper ethical sourcing, you may unwittingly buy a blood diamond, helping finance criminal armies in war-torn areas. The only way to guarantee a diamond is ethical is to go beyond the flawed Kimberley Process and trace it to its source, which we do for all of our diamonds.

Ethical sourcing also means protecting the environment and human rights, which is why we use recycled or Fairtrade gold, as well as fairmined silver and recycled platinum.

Learn More

How to choose a round brilliant cut diamond

The round brilliant cut is the most popular shape for a diamond engagement ring. Up to 75% of diamond rings feature round brilliant cuts, and this seems unlikely to change in the foreseeable future. If it has been well cut and polished, the round brilliant delivers unbeatable sparkle - something that never goes out of fashion. We've provided some guidance below to help you decide whether a round brilliant cut diamond is the right option for you, but you may also wish to read our general guidance on diamond grading.

round brilliant cut diamond plot

Optimising reflection and refraction

The round brilliant cut diamond consists of 58 main facets: 33 on the crown (top half of the stone), and 25 on the pavilion (bottom half of the stone). Often, extra facets are added around the the girdle (the widest part of the diamond, where the crown meets the pavilion).

The pattern of facets was devised by Marcel Tolkowsky, a Belgian maths student whose family owned a diamond business. In 1919 Tolkowsky published his thesis, "Diamond Design: A Study of the Reflection and Refraction of Light in Diamond". He had looked at the way that light is reflected within a diamond, and designed the round brilliant cut to optimise the combination of 'fire' (refraction of light into different colours) and brilliance (reflection of white light). A well made round brilliant cut diamond will also exhibit exceptional scintillation (sparkle), which jewellers call 'life'.

Tightly defined proportions

Round diamonds existed before Tolkowsky’s innovation, but these ‘old cuts’ or ‘old European cuts’ were shaped differently to the round brilliant - they tended to be deeper, they generally had a smaller table facet, and an open culet (the tip at the bottom of the stone). Rather than work to a rigidly defined formula, a cutter was allowed some flexibility to maintain as much of the rough weight as they felt was sensible. Looking at old cuts, you can expect to see significant proportional variations. Over the last few decades, many of these older diamonds have been recut to modern round brilliants.

Unlike an old cut, the proportions of a modern round brilliant are tightly defined. If a stone deviates far from the theoretical ideal, it won’t score a high ‘cut grade'. For example, if a stone has been cut too deep or too shallow, light will tend to ‘leak’ out of the back of the stone, and it won’t sparkle as well as it should do. 

Round diamond proportions and anglesOne area which is subject to some debate is the ideal width for the table facet (expressed as a percentage of the diamond’s width across the girdle, its widest point). A smaller table allows for more ‘fire’ or rainbow light, but comes at the cost of some ‘brilliance’ or return of white light. Tolkowsky was aware of this trade-off, and different opinions exist as to what exact table width produces the most aesthetically pleasing diamond.

Aside from this, there are very few areas where cutters are afforded significant latitude if they want to achieve an ‘Excellent’ or ‘Very Good’ cut grade.

Priced at a premium to other diamond shapes

Partly because rough diamonds tend to be octahedral in shape, and partly because of the limited scope to adapt the proportions of a round brilliant cut diamond, a diamond cutter would be doing well if he retains 50% of the rough weight in the finished stone. For this reason round brilliant cut diamonds tend to trade at a premium, sometimes costing 30% more than comparable diamonds in other shapes. In spite of this, there is never any shortage of demand!

 

You can view a selection of some of the round cut engagement rings that we've made for previous clients in the gallery below. Please feel free to get in touch if you have any questions, or to discuss commissioning your own bespoke design.

The bespoke Experience The bespoke Experience The bespoke Experience
The bespoke Experience The bespoke Experience The bespoke Experience

The bespoke Experience

If you’d like a ring that’s completely personal to you, then our bespoke design service is the perfect way to bring your vision to life. From the initial design process to the hand finishing by our master craftsmen, we’ll help you to create a uniquely ethical ring that’s right in every way.

  • From £1500
  • Design to delivery in 4-6 weeks
  • Complimentary sketches of potential designs to bring your unique ideas to life
  • Work one-to-one with an I&R designer to create a truly unique masterpiece

Learn More
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Schedule Your<br /> Appointment Today Schedule Your<br /> Appointment Today Schedule Your<br /> Appointment Today

Schedule Your
Appointment Today

Call us on 020 7499 2012 or come and see us in person at our showroom close to Bond Street station, London. You’ll be able to discover our stunning collection, speak to our experts one-on-one and explore the option of creating your very own bespoke ring. We aim to respond to appointment booking emails within 1 hour.

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"Ingle & Rhode is perfect for couples who want style and luxury with a conscience"

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"Ingle & Rhode... committed to ethical sourcing."

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"Ingle & Rhode produces beautiful pieces that you can wear with a clear conscience."

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