Placeholder image
This site has limited support for your browser. We recommend switching to Edge, Chrome, Safari, or Firefox.

Cheers to Forever Sale 20% Off All Diamond Engagement Rings

Rated Excellent

Google Logo

4.9

★★★★★

Buy Now, Pay Later with

hummBNPL Logo | Klarna Logo
Contact Us Contact Us Book an Appointment Book Appointment
platinum sapphire and diamond eternity ring

PRISM
Sapphire & Diamond Ring

02-10-01022447-J
€1,900.00
Size

✨ We stock popular sizes for quick dispatch, others are custom-sized to fit. We'll confirm your timeline after checkout.

Direct Link Example
Book an appointment icon BOOK AN APPOINTMENT

RING SIZE CHART

 

You may already know your ring size based on a ring you own that is a comfortable fit. If not, you can refer to our ring size chart below to find out your size.

 

Or say goodbye to guesswork! Order a complimentary ring sizer today and get an accurate measurement of your ring size delivered right to your doorstep.

Get Your Free Ring Sizer >

 
Note: Size M (UK/Ireland) is the most common ring size for women, while size T is the most common for men. 
For the perfect fit, we recommend professional sizing.

Ring Size (IRE / UK)Ring Size (US)Ring Size (EU)Inside Diameter (MM)
J4 3/448 3/415.6
K5 1/449 5/816
L5 3/450 7/816.4
M6 1/452 1/816.8
N6 3/453 3/817.2
O7 1/45417.6
P7 3/455 1/418
Q8 1/456 1/218.4 

Another fail-safe way to work out your size is to bring a ring that is worn on the same finger as the one you want to buy into our Dublin city store, and we will measure it for you.

RING SIZE CHART

 

You may already know your ring size based on a ring you own that is a comfortable fit. If not, you can refer to our ring size chart below to find out your size.

 

Or say goodbye to guesswork! Order a complimentary ring sizer today and get an accurate measurement of your ring size delivered right to your doorstep.

Get Your Free Ring Sizer >

 
Note: Size M (UK/Ireland) is the most common ring size for women, while size T is the most common for men. 
For the perfect fit, we recommend professional sizing.

Ring Size (IRE / UK)Ring Size (US)Ring Size (EU)Inside Diameter (MM)
J4 3/448 3/415.6
K5 1/449 5/816
L5 3/450 7/816.4
M6 1/452 1/816.8
N6 3/453 3/817.2
O7 1/45417.6
P7 3/455 1/418
Q8 1/456 1/218.4 

Another fail-safe way to work out your size is to bring a ring that is worn on the same finger as the one you want to buy into our Dublin city store, and we will measure it for you.

RING SIZE CHART

 

You may already know your ring size based on a ring you own that is a comfortable fit. If not, you can refer to our ring size chart below to find out your size.

 

Or say goodbye to guesswork! Order a complimentary ring sizer today and get an accurate measurement of your ring size delivered right to your doorstep.

Get Your Free Ring Sizer >

 
Note: Size M (UK/Ireland) is the most common ring size for women, while size T is the most common for men. 
For the perfect fit, we recommend professional sizing.

Ring Size (IRE / UK)Ring Size (US)Ring Size (EU)Inside Diameter (MM)
J4 3/448 3/415.6
K5 1/449 5/816
L5 3/450 7/816.4
M6 1/452 1/816.8
N6 3/453 3/817.2
O7 1/45417.6
P7 3/455 1/418
Q8 1/456 1/218.4 

Another fail-safe way to work out your size is to bring a ring that is worn on the same finger as the one you want to buy into our Dublin city store, and we will measure it for you.

Diamond Colour Grades

Diamond Colour Grades

About Diamond Colour Grades 

Order a Ring Sizer

Say goodbye to guesswork! Order a ring sizer today and get an accurate measurement of your ring size delivered right to your doorstep.

Buy Ring Sizer

Discover Your Perfect Fit with Our Ring Sizing Guide!

Explore our easy-to-use ring sizing guide for accurate results. Find your perfect fit effortlessly.

Size Guide →

Complimentry Ring Sizing in Our Store

Our expert jewellers will measure your ring size accurately, ensuring that perfect fit every time. Plus, you'll have the chance to explore our stunning collections and see which styles shine as brightly as you do.

Book In-Store Appointment

Order a Ring Sizer

Say goodbye to guesswork! Order a ring sizer today and get an accurate measurement of your ring size delivered right to your doorstep.

Buy Ring Sizer

Discover Your Perfect Fit with Our Ring Sizing Guide!

Explore our easy-to-use ring sizing guide for accurate results. Find your perfect fit effortlessly.

Size Guide →

Complimentry Ring Sizing in Our Store

Our expert jewellers will measure your ring size accurately, ensuring that perfect fit every time. Plus, you'll have the chance to explore our stunning collections and see which styles shine as brightly as you do.

Book In-Store Appointment

Order a Ring Sizer

Say goodbye to guesswork! Order a ring sizer today and get an accurate measurement of your ring size delivered right to your doorstep.

Buy Ring Sizer

View Ring Sizing Guide!

Explore our easy-to-use ring sizing guide for accurate results. Find your perfect fit effortlessly.

Size Guide →

Complimentry Ring Sizing in Our Store

Our expert jewellers will measure your ring size accurately, ensuring that perfect fit every time. Plus, you'll have the chance to explore our stunning collections and see which styles shine as brightly as you do.

Book In-Store Appointment

Rated Excellent

4.9 Star rating
Free Ring Resizing Free Ring Resizing
Lifetime Cleaning & Care Lifetime Cleaning & Care
Signature Packaging Signature Packaging
Tracked Insured Delivery Tracked Insured Delivery

Buy Now, Pay Later

Engagement Ring Block
€1,900.00
Chat icon Get help buying. Chat now or call 018148914
  • Description

The Prism ring in platinum features 0.50ct of royal blue sapphires, accented by 0.04ct of sparkling diamond spacers that lend a touch of brightness between each gem.

Set in a sleek, geometric frame with vertical bars, the design has a clean, structured look.

Unsure of your ring size?

Get a complimentary ring sizer delivered to your address
Chat icon Need some help?  Contact us.
  • Handpicked Recommendations

Handcrafted Designs

Our jewellery is handcrafted by skilled artisans, ensuring exceptional quality and unique design.

Expert Advice

Chat with us online, by phone, or book an appointment at our Dublin showroom.

Signature Packaging

All our jewellery comes packaged in our signature packaging, with a personalised message for that finishing touch.

Rated Excellent

Our commitment to quality and customer satisfaction is reflected in our excellent rating on Google.

Your Cart

No more products available for purchase

Your Cart is Empty

New Arrivals
Best Sellers
Engagement Rings
Necklaces
Earrings