Ring Sizer - Bound.

Ring Sizer

£7.99
£7.99
Skip to product information
Ring Sizer - Bound.
  • Ring Sizer - Bound.
  • Ring Sizer - Bound.
Ring Sizer

Ring Sizer

Not sure which ring size to choose? Our metal ring sizer lets you measure your finger accurately at home using true UK sizes, just like a professional jeweller. The sizer includes a full run of clearly marked rings, so you can try different sizes until you find the one that feels snug, secure and comfortable over the knuckle.sachitools+2

When you purchase this ring sizer, the full cost is automatically discounted from any ring* you go on to buy from us, so you don’t pay twice for finding your size. It’s a simple way to remove the guesswork, reduce returns and make sure your new ring fits perfectly from day one.

 

*excludes silicone rings. 
£7.99
£7.99
Size guide

Ring Size Guide

Use our ring size chart below to find your perfect fit.

If you're unsure what size you need, that's not a problem. You can order one of our ring sizers for £8.00, which will be deduced from the final price when you place your ring order.

UK Size Finger Width (mm) EU Size US Size
F 15.3 48 3
G 15.7 49 3.5
H 16.1 50 4
I 16.5 51 4.5
J 16.9 52 5
K 17.3 53 5.5
L 17.7 54 6
M 18.1 55 6.5
N 18.5 56 7
O 18.9 57 7.5
P 19.4 58 8
Q 19.8 59 8.5
R 20.2 60 9
S 20.6 61 9.5
T 21.0 62 10
U 21.4 63 10.5
V 21.8 64 11
W 22.2 65 11.5
X 22.6 66 12
Y 23.0 67 12.5
Z 23.4 68 13
Shipping and Returns

Shipping

  • Free tracked next‑day delivery as standard in the UK, and free tracked delivery to EU member countries.​
  • Orders are processed in 1–2 business days (Mon–Fri, excluding UK bank holidays).​
  • UK delivery aim: 1–2 business days after dispatch; EU delivery aim: around 3–7 business days after dispatch (timings may vary by country and carrier).​
  • All orders ship with tracking, and you’ll receive a tracking link by email once your order has been dispatched.​

Returns

  • You have 30 days from receiving your order to request a return; items must be unworn/unused, in original packaging, with proof of purchase.
  • Custom or engraved items are generally non‑returnable unless faulty, in line with our Terms of Service.​
  • To start a return, email hello@boundrings.co.uk; if approved, you’ll receive a prepaid return label and instructions. Items sent without approval will not be accepted.
  • If your item arrives damaged, defective or incorrect, contact us as soon as possible so we can put it right.

FAQs
Which material is best for me?

Depends on your priorities:

  • Maximum scratch resistance: Tungsten carbide (Mohs 9)
  • Lightest weight: Titanium or silicone
  • Best hypoallergenic: Titanium, 316L stainless, silicone
  • Modern black finish: Black zirconium (permanent color)
  • Safety breakaway: Silicone (for high-risk professions)
  • Best value: 304 stainless steel

Compare all of the materials we offer in detail here

How does each material compare?

Feature Tungsten Carbide Titanium 304 Stainless Steel 316L Stainless Steel Black Zirconium Silicone
Hardness (Mohs Scale) 9-9.5 6 5.5-6 5.5-6 8.5-9 Flexible material
Scratch Resistance Very High Moderate Moderate Moderate High High
Weight Heavy (15.6 g/cm³) Very Light (4.5 g/cm³) Medium (7.9 g/cm³) Medium (7.9 g/cm³) Light-Medium (6.5 g/cm³) Light
Durability/Toughness High (very hard but brittle under extreme impact) High (strong, won't shatter) Good-High Good-High High (durable, shatterproof) Moderate (flexible, designed to break for safety)
Hypoallergenic Generally yes Excellent Good (low chance of reaction) Excellent (low nickel release) Excellent Excellent
Tarnish/Corrosion Resistance Excellent Excellent Good Excellent Excellent Excellent
Maintenance Very Low Very Low Low Very Low Very Low Very Low
Comfort/Flexibility Heavier feel, substantial Lightweight, barely noticeable Medium weight, balanced feel Medium weight, balanced feel Light-medium, minimal feel Ultra-flexible, breakaway safety feature
Price Point Mid-range Mid-range Entry-level to Mid-range Mid-range Mid-range Entry-level
Resizability No (cannot be resized) Limited Limited Limited Limited No (stretch fit only)
What if my ring doesn't fit when it arrives?

Return it within 30 days for full refund or exchange (non-engraved rings only). Alternatively, use our lifetime size-exchange programme—exchange for the correct size at 50% of purchase price, no time limit. Covers weight fluctuations, aging, or simply getting the fit right.
How long does delivery take?

Processing times:

  • In-Stock rings - 1-2 business days after payment is received (Monday-Friday, excluding UK bank holidays)
  • Made-to-order rings - 8-12 weeks

UK Delivery:
Orders over £50:

  • Service: Next-day tracked delivery (Royal Mail Tracked 24)
  • Delivery timeframe: 1-2 business days after dispatch
  • Shipping cost: Free

Orders under £50:

  • Service: Standard tracked delivery (Royal Mail Tracked 48)
  • Delivery timeframe: 1-2 business days after dispatch
  • Shipping cost: Free

EU Delivery:

  • Service: Tracked international (Royal Mail/DPD)
  • Delivery timeframe: Approximately 3-7 business days after dispatch
  • Shipping cost: Free

All orders shipped with tracked services as standard. You'll receive a dispatch email with tracking number once your order leaves our warehouse.

Note: Delivery timeframes are estimates only. Delays can occasionally occur due to customs checks, courier delays, or adverse weather.

Read our full shipping policy here
What is your returns policy?

30-day return policy from the date you receive your item.

To be eligible for return:

  • In a resellable condition - damage free.
  • Unworn and unused beyond trying on.
  • Receipt or proof of purchase required.

To start a return:

  1. Contact us at hello@boundrings.co.uk
  2. Once your return is authorised, we'll send you return instructions.
  3. Send the item back to us.

Please note - for non-defective items, return postage is at your cost.

Important: Items sent back without first requesting a return may not be accepted.

EU customers: You have a 14-day cooling-off period to cancel or return your order for any reason, no justification needed.

Read our full returns policy here
What does the warranty cover?

Our lifetime comprehensive warranty covers:

  • Manufacturing defects (structural failures, finish defects, material flaws)
  • Faulty workmanship
  • Cracking, breaking, or splitting under normal wear
  • Surface scratches present upon delivery
  • Loose inlays or detached components
  • Engraving defects (fading or incorrect engraving performed by us)
  • Special coverage: Tungsten rings receive one replacement if cracked, even from accidental impact

Not covered:

  • Normal wear and tear (fine scratches, scuffs from daily use)
  • Loss or theft
  • Accidental damage (except tungsten cracking)
  • Modifications or repairs by third parties
  • Silicone rings (excluded due to break-away safety design)
  • Normal wear and tear (fine scratches from daily use)
  • Loss or theft
  • Damage from extreme impact or abuse