
PIVOT SIGNET RING
SIZE GUIDE
Ring Size Guide
Sizes are approximate. EU refers to the inner circumference (mm). Ø = inner diameter (mm). A&C = internal sizing code.
EU | Ø (mm) | Circumference (mm) | US | UK | A&C |
---|---|---|---|---|---|
50 | 15.92 | 50 | 5¼ | J½ | 00 |
52 | 16.55 | 52 | 6 | L | 01 |
54 | 17.19 | 54 | 7 | N | 02 |
56 | 17.83 | 56 | 7½ | O½ | 03 |
58 | 18.46 | 58 | 8½ | Q | 04 |
60 | 19.10 | 60 | 9 | S | 05 |
62 | 19.74 | 62 | 10 | T½ | 06 |
64 | 20.37 | 64 | 10½ | V | 07 |
66 | 21.01 | 66 | 11½ | X | 08 |

DETAILS
Dimensions: Upper width 8.0 mm · Wall thickness 2.6 mm · Web width 1.4 mm
Material: 925 sterling silver, rhodium-plated
Stones: 4 × round brilliant-cut zirconia, Ø 1.4 mm, set in the vertical channel setting
Color DEF, eye clean
Weight: 6.2 g for EU size 60 (± 0.2 g per two sizes difference)
Engraving: Inside with “Ahrens & Co.”
Care & Maintenance +
Ahrens & Co combines timeless materials with a minimalist design language.
To clean your jewelry, gently wipe it with a soft cloth. When not worn, store it in the Ahrens & Co protective pouch.
Avoid bending the piece to prevent deformation. Components with spring mechanisms should not be exposed to seawater or harsh chemicals.
All our jewelry is nickel-free and hypoallergenic.
You can send us your jewelry for professional cleaning at any time—simply contact our customer service.
DELIVERY +
Every Ahrens & Co piece of jewelry is individually made for you. Due to this made-to-order approach, delivery takes a little longer.
Estimated delivery date: ≈ 2 – 3 Weeks.
EXCHANGES & RETURNS +
Easily initiate a return in your Ahrens & Co Account.
Ahrens & Co covers all return shipping costs..

Curated for you
NEED HELP OR ADVICE?
THE AHRENS & CO CUSTOMER SERVICE TEAM IS AVAILABLE
MONDAY – SATURDAY, 8 AM – 8 PM (PARIS TIME).
FEEL FREE TO CONTACT US AT CS@AHRENSANDCO.DE.
DELIVERY
STANDARD DELIVERY WITHIN THE EU: 2 – 3 WEEKS.
RETURNS & REFUNDS
ITEMS PURCHASED ONLINE MAY BE RETURNED BY MAIL WITHIN 30 DAYS OF RECEIPT.