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0.40ct Diamond Arlington

0.40ct Diamond Arlington


Our signature Arlington trilogy engagement ring, featuring a 0.40ct round brilliant centre diamond. Set in platinum.


Centre Stone  Round Brilliant Cut Diamond
Carat 0.40ct
Clarity SI2
Colour G
Select Size
  • H
  • I
  • J
  • K
  • L
  • H
  • I
  • J
  • K
  • L
  • HOL Icons Free Delivery
  • return (1) Created with Sketch. Free Returns
  • HOL Icons GIA Graded
  • Asset 34 Handmade
  • 0.40ct Diamond Arlington
  • 0.40ct Diamond Arlington
  • 0.40ct Diamond Arlington
  • 0.40ct Diamond Arlington

Shipping Details

Order by 2pm today for delivery on:

Wednesday, 13 July

Need it sooner? Contact Us

What’s included with your order:

  • Group 15 Created with Sketch. Luxury packaging
  • HOL Icons GIA Diamond Certificate (diamonds over 0.30ct)
  • HOL Icons Free tracked & insured delivery
  • file Created with Sketch. Valuation (for insurance purposes)
  • Finalise Ring Created with Sketch. Free ring resizing (up-to 3 sizes up or down,depending on design)
  • Asset 5 Free lifetime care package (cleaning & polishing)

Want to see it before you buy?

Schedule a Consultation at our London showroom to confirm your design and diamond choice in person.


Our Customers Love us!

Crafted in Hatton Garden

Our masterful, in-house goldsmiths are amongst Hatton Garden's finest. Whilst some ‘bespoke’ jewellers order-in mass produced ring parts, we make everything from scratch, ensuring you peace of mind that each and every part of your ring has been designed and crafted to the highest of standards.

More about our workshop

Our Guarantee

Path Created with Sketch.
30 day free returns
Asset 42
GIA Graded Diamonds
Finalise Ring Created with Sketch.
Free Ring Resizing
Asset 34
Handmade in Hatton Garden
Asset 25
Free Insured Delivery
Asset 5
Complimentary Lifetime Care Package

View in store

Want to see this in the flesh before buying? No problem, simply enter your details and let us know when you'd like to come in. We'll get back to you to confirm your appointment.

Your bag