Oval Single Halo 1.00ct Lab Grown Diamond Ring - 9ct White Gold
Delivery Information
This product will be made especially for you once your order has been placed. Please allow up to 4 weeks for delivery. Regular updates will be shared with you throughout the process.
Free Delivery on orders over £100.
DPD Local Pickup available from over 10,000 pickup locations.
Please see our Delivery Information page for more details.
Size Guide
Finding the perfect ring size is essential for comfort, security, and everyday wear. This guide helps you accurately measure ring size at home and compare UK, US, and EU sizes side-by-side so you never have to guess again!
Ring Size Conversion Chart (UK, US & EU)
Use the table below to compare international ring sizes.
| UK Size | US Size |
EU Size |
Diameter (mm) |
Circumference (mm) |
| A | 1 | 41 | 13.7 | 43.1 |
| C | 2 | 43 | 14.3 | 44.9 |
| E | 3 | 45 | 14.9 | 46.7 |
| F | 3.5 | 46 | 15.2 | 47.7 |
| G | 4 | 47 | 15.5 | 48.6 |
| H | 4.5 | 48 | 15.9 | 49.5 |
| I | 4.75 | 49 | 16.2 | 50.4 |
| J | 5.25 | 50 | 16.5 | 51.4 |
| K | 5.5 | 51 | 16.8 | 52.3 |
| L | 6 | 52 | 17.2 | 53.2 |
| M | 6.5 | 53 | 17.5 | 54.1 |
| N | 7 | 54 | 17.8 | 55.1 |
| O | 7.5 | 55 | 18.1 | 56.0 |
| P | 8 | 56 | 18.5 | 56.9 |
| Q | 8.5 | 57 | 18.8 | 57.8 |
| R | 9 | 58 | 19.1 | 58.7 |
| S | 9.5 | 59 | 19.4 | 59.7 |
| T | 10 | 60 | 19.7 | 60.6 |
(Tip: Most UK women fall between H–N, and men between N–T)
Tips for Getting the Perfect Ring Fit
Here are some expert tips to ensure your ring fits comfortably:
- Measure your finger at the end of the day (fingers are slightly larger)
- Avoid measuring when your hands are cold or swollen
- Always consider the width of the band (wider rings feel tighter)
- Your ring should slide over your knuckle with slight resistance
- If between sizes, choose the larger size for comfort
- Re-check size in both hands - they are often slightly different
How to Find Someone Else’s Ring Size (Gift Guide)
Buying a ring as a surprise? Here are safe, subtle ways to find their size:
Borrow a ring they already wear:
- Choose a ring worn on the correct finger
- Measure the inner diameter in mm
- Compare it to a size chart
Ask friends or family:
- Friends often already know their approximate size
- Especially useful for engagement rings
“Try-on” method:
- Try slipping a ring onto your own finger and marking how far it fits (useful but less accurate)
Paper or string method (backup option):
- Wrap string/paper around finger
- Mark overlap point and measure length in mm
Best tip:
If unsure, go slightly larger - rings can usually be resized down more easily than up.
Average Ring Sizes in the UK
These are general averages used in jewellery sizing (not exact rules):
Women (UK)
- Average: UK size L–N
- Most common range: H–N
- Typical US equivalent: 5.5 – 7
Men (UK)
- Average: UK size R–T
- Most common range: N–V
- Typical US equivalent: 8 – 10
Kids (UK)
- Small children: A–D
- Older children: D–F
- Teenagers: F–H
(Note: finger size varies significantly by height, genetics, and age)
Frequently Asked Questions
What is the most common ring size in the UK?
For women it is usually L–N, and for men R–T.
Is US ring size the same as UK?
No. UK uses alphabet sizes, while US uses numbers. EU uses millimetres.
Can rings be resized?
Yes, most rings can be resized up or down by 1–2 sizes (depending on design).
What if I’m between two sizes?
Always choose the larger size for comfort and swelling room.
Do fingers change size during the day?
Yes - heat, cold, exercise, and hydration all affect finger size.
What is the most accurate way to measure ring size?
Visiting a jeweller or using a metal ring sizer tool is the most accurate method.
Do wider rings fit differently?
Yes - wider bands usually feel tighter, so you may need to size up slightly.
Finance Options
Klarna - Pay in 3 options available at checkout. Please see our Klarna FAQ page for more information.
ClearPay - pay in 4 interest-free instalments over six weeks. Select ClearPay at checkout for full information.
PayPal - please see your PayPal account for finance details.
Jewellery Care
We recommend having your jewellery checked and cleaned by a professional once a year.
Remove jewellery when bathing, showering or swimming.
Avoid any direct contact with body lotions, perfumes, domestic cleaning products or any other chemicals.
Your jewellery should be the last thing you put on and the first thing you take off to avoid catching it and it coming into contact with any lotions/perfumes. Do not go to bed with your jewellery on.
Your jewellery can react to sunlight or extreme body heat, take it off in the sun, when using a sauna or exercising.
Clean your jewellery after each use and before storing it away in separate air tight bags or a jewellery box.
Please utilise our Jewellery Care Guide for more details.
Sustainability
All our products are sourced with the utmost care, ensuring our suppliers are fully compliant with best sustainability practices.
All our products are crafted using recycled materials. Our jewellery collections are made from 60% recycled Stainless Steel, 80% recycled Brass, and 90% recycled Sterling Silver.
The Oval Single Halo 1.00ct Lab Grown Diamond Ring is a dazzling blend of classic elegance and modern brilliance. Crafted in 9ct white gold, this stunning ring features a striking 1.00ct oval-cut lab-grown diamond as its centrepiece, surrounded by a halo of 16 delicate round-cut diamonds.
The elongated oval shape of the centre stone enhances its sparkle and creates an eye-catching effect, while the round-cut diamonds in the halo setting add extra radiance and depth. The sleek white gold band provides a polished finish, allowing the diamonds to take centre stage.
Product Information
Metal: 9ct White Gold
Colour Grade: D-E
Carat: 1.00ct
Extras: Certificate of Authenticity; Ring Box included.



